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Published on 06.05.20 in Vol 7, No 2 (2020): Apr-Jun

Preprints (earlier versions) of this paper are available at http://preprints.jmir.org/preprint/17088, first published Nov 18, 2019.

This paper is in the following e-collection/theme issue:

    Original Paper

    Development and Usability Testing of a Web-Based and Therapist-Assisted Coping Skills Program for Managing Psychosocial Problems in Individuals With Hand and Upper Limb Injuries: Mixed Methods Study

    1School of Rehabilitation Science, Institute of Applied Health Science, McMaster University, Hamilton, ON, Canada

    2Roth McFarlane Hand and Upper Limb Centre, St. Joseph’s Health Care London, Western University, London, ON, Canada

    3Department of Physical Therapy, Western University, London, ON, Canada

    4Schulich School of Medicine and Dentistry, Western University, London, ON, Canada

    Corresponding Author:

    Folarin Omoniyi Babatunde, MSc

    School of Rehabilitation Science

    Institute of Applied Health Science

    McMaster University

    1400 Main Street West, Room 403

    Hamilton, ON, L8S 1C7

    Canada

    Phone: 1 9055259140 ext 22867

    Email: babatufo@mcmaster.ca


    ABSTRACT

    Background: Ineffective coping has been linked to prolonged pain, distress, anxiety, and depression after a hand and upper limb injury. Evidence shows that interventions based on cognitive behavioral therapy (CBT) may be effective in improving treatment outcomes, but traditional psychological interventions are resource intensive and unrealistic in busy hand therapy practices. Developing web-based, evidence-based psychological interventions specifically for hand therapy may be feasible in clinical practice and at home with reduced training and travel costs. Hand Therapy Online Coping Skills (HOCOS) is a program developed to supplement traditional hand therapy with therapist-assisted coping skills training based on principles from CBT and the Technology Acceptance Model.

    Objective: This study aimed to describe the development and assess the usability of HOCOS to support hand therapists in the management of psychosocial problems.

    Methods: The ADDIE model (Analysis, Design, Development, Implementation, and Evaluation) of system design was applied to create HOCOS. The usability testing of HOCOS involved a 2-stage process. In the first step, heuristic testing with information and communications technology (ICT) experts was completed using two sets of heuristics: Monkman heuristics and the Health Literacy Online (HLO) checklist. The second step involved user testing with hand therapists performing a series of online and face-to-face activities, completing 12 tasks on the website using the think-aloud protocol, completing the system usability scale (SUS) questionnaire, and a semistructured feedback interview in 2 iterative cycles. Descriptive statistics and content analyses were used to organize the data.

    Results: In total, 4 ICT experts and 12 therapists completed usability testing. The heuristic evaluation revealed 15 of 35 violations on the HLO checklist and 5 of 11 violations on the Monkman heuristics. Initially, hand therapists found 5 tasks to be difficult but were able to complete all 12 tasks after the second cycle of testing. The cognitive interview findings were organized into 6 themes: task performance, navigation, design esthetics, content, functionality and features, and desire for future use. Usability issues identified were addressed in two iterative cycles. There was good agreement on all items of the SUS. Overall, therapists found that HOCOS was a detailed and helpful learning resource for therapists and patients.

    Conclusions: We describe the development and usability testing of HOCOS; a new web-based psychosocial intervention for individuals with a hand and upper limb injuries. HOCOS targets psychosocial problems linked to prolonged pain and disability by increasing access to therapist-guided coping skills training. We actively involved target users in the development and usability evaluation of the website. The final website was modified to meet the needs and preferences of the participants.

    JMIR Hum Factors 2020;7(2):e17088

    doi:10.2196/17088

    KEYWORDS



    Introduction

    Background

    Hand and upper limb injuries are some of the most common injuries in orthopedic settings [1,2], and approximately 11% to 20% of emergency department visits are because of hand and upper limb injuries [3,4]. In addition to pathophysiology, psychosocial factors can predict disability in individuals with hand and upper limb injuries [5,6]. These injuries have been shown to impact employment, body image [7], relationships [8], and functional abilities [9-11] negatively.

    Most studies conducted in hand therapy have focused on maximizing physical recovery and adjustments with regard to medical or occupational therapy procedures [12-15]. Interventions such as joint protection [16], exercise therapy [17], mobilization [18], and modalities [19] in hand therapy have well-established benefits for pain and function. However, they do not directly target psychosocial factors that contribute to patient morbidity [20]. Several studies have established the mediating effect of psychological distress on hand and upper limb pain and disability [21-24] based on the far-reaching impact of psychosocial problems on pain and disability, and patient expectations after hand and upper limb injuries, a greater understanding of how to facilitate psychosocial adjustments is warranted [2,25]. Psychological interventions such as cognitive behavioral therapy (CBT) interventions have been shown to yield long-term [26] improvements in pain, daily function, quality of life, and overall mental health compared with active treatments alone for several musculoskeletal (MSK) problems [27,28] including knee pain [29], low back pain, [30,31] fibromyalgia, [32] preoperative spine [33] and post total joint surgery [34]. CBT is also cost-effective [35] and cost neutral when considering the overall health care sector and labor market perspective [33], with reduced health care utilization at the 5-year follow-up [26]. CBT has also been shown to be effective in improving adherence to exercise [36]. CBT techniques such as graded activity can be integrated into traditional physiotherapy [37,38].

    In hand therapy, CBT may be efficient treatment to improve pain and distress by increasing adjustment to hand injury in relation to illness perception and coping strategies [2,39-41]. Unfortunately, traditional CBT is resource intensive and not feasible to implement in busy hand therapy practices because of prolonged face-to-face encounters and associated cost implications [42]. Web-based CBT is a potential emerging tool with modern interactive and communicative technologies for use in rural and urban areas, across languages and cultures, and on a global scale [43]. Web-based CBT has been shown to be effective for reducing catastrophization and improving the attitudes of patients with MSK conditions to exercise therapy [44]. Current evidence supports the feasible and efficacious delivery of web-based CBT using nontraditional health professionals such as physiotherapists (PTs) and occupational therapists (OTs) [45], with reduced time commitment and treatment costs, and positive self-reported changes in the PTs’ attitudes, confidence, and practice [46-48]. Therapist competence and therapeutic alliance are crucial factors influencing CBT [49]. Therapist competency can be developed online [50], and therapeutic alliance required for CBT to be effective does not diminish with the web-based delivery of CBT [51].

    Hagemen et al [52] reported that almost 50% of outpatients presenting to hand surgery clinics investigated their symptoms online, which increases the potential to deliver evidence-based pain management and coping skills for HULI online. Further studies on the use of psychosocial interventions in HULI have the potential to convince payers to fund psychotherapy treatments, generate enthusiasm to include psychosocial treatments in educational curriculums, and advance incorporation of evidence-based psychosocial treatments in hand therapy recommendations for psychosocial problems [53]. In view of the evidence showing evidence-based CBT can be delivered via the internet and feasible to implement during wait times for hand therapy or in home-settings and reduce the costs associated with training providers and fewer hospital visits. From the foregoing, online evidence-based CBT is feasible to implement during wait times for hand therapy, is easy to use in home settings, and reduces costs associated with training providers and leads to fewer hospital visits. To meet the needs of patients with hand and upper limb injuries at risk of prolonged pain and disability because of psychosocial treatments, we decided to develop an intervention that incorporates evidence from CBT in orthopedic practice.

    Hand Therapy Online Coping Skills Program

    Hand Therapy Online Coping Skills (HOCOS) is an evidence-based and theory-based psychosocial coping skills program based on CBT principles [37] and the Technology Acceptance Model [54]. HOCOS was developed by Folarin Babatunde (PT) during his doctoral studies at McMaster University In collaboration with a team of PTs (JM and LM), OT (MS), hand therapists (JM and MS) and an orthopedic surgeon (RG). HOCOS involves five ‘hand therapist-guided’ modules. It is a multi-component, interactive online-based program consisting of hand and upper-limb specific information covering pain education and training in coping skills (activity-rest cycling, pleasant activity scheduling, problem-solving, identifying and challenging negative thoughts, relaxation response and their applications) to daily life for adults with hand and upper limb injuries (Table 1). Asynchronous learning was facilitated using PowerPoint (Microsoft Office) presentations, audio files, workbooks, and downloadable PDF (Adobe) and Word (Microsoft Office) files. Links to evidence-based external educational resources were included to reinforce learning. The program was designed to supplement traditional hand therapy with coping skills training. The design and development of HOCOS were guided by the 5 steps of the Analysis, Design, Development, Implementation, and Evaluation from the ADDIE model [55,56]. The structure and specific ingredients of HOCOS were based on the following recommendations suggested by Bennell et al [57]: (1) impact of psychosocial factors on pain and disability in hand injuries, (2) evidence base for the effects of CBT on MSK conditions, (3) the importance of incorporating the management of hand injuries into a biopsychosocial framework, and (4) practical issues related to the delivery of the intervention.

    Table 1. Outline of hand therapy online coping skills session contents.
    View this table

    Objectives

    This paper aimed to provide a brief overview of the web-based system and to report on its usability from the perspectives of information and communications technology (ICT) experts and clinicians practicing in the field of hand therapy. Usability testing is a critical step in the development of online interventions and involves obtaining feedback to understand what is positive or negative about a system and identify existing gaps in content or functionality using iterative cycles of prototype alteration [58].


    Methods

    Design and Procedure

    A mixed methods usability testing approach with semistructured interviews, observations, and questionnaires was undertaken, with iterative cycles to determine the usability of HOCOS and to further refine the prototype [59,60]. Participants were recruited using snowball sampling by asking key informants to suggest another participant who they believe is suitable for the study and introducing that person to the researcher [61]. This paper reported on step 3 of the ADDIE process (Figure 1). ADDIE is commonly used in instructional development as a systematic way to achieve the desired results [62].

    Figure 1. Diagram depicting the first 3 steps of Assessment or analysis, Design, Development, of the ADDIE Model. HOCOS: Hand Therapy Online Coping Skills; ICT: information and communications technology.
    View this figure

    Participants

    We recruited ICT experts online through the Weebly support (Weebly) portal to participate as heuristic evaluators in phase 1 of usability testing. In phase 2, PTs and OTs based in Ontario, Canada, and practicing in the clinical area of hand therapy were invited to participate in the study to enhance the development of HOCOS. Clinicians were messaged directly using contact details available to the public on the Canadian Society of Hand Therapy (CSHT) website. Interested participants contacted the research team directly by telephone or email and were provided with a letter of information and signed consent forms before data collection. Log-in access to the password-protected HOCOS website was provided free of charge.

    Procedure

    One of the researchers, FB, facilitated data collection by conducting interviews, taking notes, and observing participants’ behavior. Appointments were made to meet with participants at the study site or at a desired destination within 2 hours of the study site. A brief description of the study was provided to each participant, with emphasis that the evaluation was about the content and functionality of the website. An explanation of cognitive interviews and information about privacy, and protection of the data collected were also provided. Before the interviews, demographic data, including age, gender, educational level, practice area, and use of technology, were collected. All participants were identified by pseudonyms to ensure anonymity [63]. According to Nielsen [56], 5 users are adequate to identify most usability problems. Current evidence shows that 80% of usability problems can be identified with 4 to 9 participants and 95% with 9 participants [64], thus we proposed a convenience sample of 12 participants for usability testing and to account for attrition. The usability testing protocol was approved by the Western University Health Sciences Research Ethics Board (no. 108064). Guided by steps 1 and 2 (Figure 1), we revised the prototype and developed a preliminary version of HOCOS that was tested by ICT experts (n=4) and therapists (n=12). No incentive was provided to participate in this study. Parking costs were covered for participants involved in face-to-face cognitive interviews.

    Phase 1: Heuristic Testing

    Heuristic testing is a usability inspection method completed by usability experts and involves evaluating an application to find usability problems, assigning them to a specific category of heuristics and ascribing a severity rating [58]. ICT experts were given a brief introduction to the background and rationale of the web portal under review and given instructions on how to conduct the heuristic testing. Between March and May 2018, the evaluators each separately conducted a heuristic evaluation of HOCOS through a page-by-page review of the website and noted violations where the interface did not conform to two sets of heuristics of predetermined criteria: the Monkman heuristics [65] and Health Literacy Online (HLO) checklist [66]. HLO was designed for the creation of usable online health content and comprises 35 separate criteria, categorized into 5 domains: write actionable content, display content clearly on the page, organize content and simplify navigation, engage users, and testing site with users with limited literacy skills [66]. The fifth domain was not factored in this study because this study focused on system design and development rather than implementation in practice. Monkman heuristics [65] comprises 11 checklist items and was designed for experienced heuristic evaluators by summarizing design guidelines from the HLO guide and incorporating research from electronic health (eHealth)/health literacy and usability literature [67]. The evaluators conferred using Skype clx and aggregated their results only after completing individual reviews. This phase resulted in the construction of a list of usability violations that were used to inform design changes before user testing commenced.

    Phase 2: User Testing

    User testing involved asking each participant to go through the website using the thinking aloud method [68], followed by a semistructured interview to elicit further feedback about user interaction. Each session was completed during a 1.5- to 2-hour face-to-face visit between September 2018 and March 2019. This enabled the researcher to capture the ongoing thought processes of the participants while going over the program and any difficulties encountered [69]. First, participants were required to log on to the website, read an introductory script, and familiarize themselves with the online learning environment using hyperlinks to move between pages. Next, the participants completed the following tasks: (1) logging in, (2) reading the introductory page, (3) completing a set of psychosocial outcome measures, (4) listening to an audio recording, (5) reading a PowerPoint presentation, (6) downloading a PDF or Word document script, (7) completing one activity in the workbook, (8) setting up an activity plan for homework, (9) finding contents by browsing, (10) finding contents by searching, (11) completing a feedback form, and (12) contacting the web manager. These tasks tested the user’s ability to follow the session plan and the amount of assistance required to use the online electronic tools. The facilitator did not offer any help during the tasks unless explicitly requested by the participants [68,70]. The facilitator encouraged the participants to talk about what they felt, saw, or thought while browsing through the website during the cognitive interviews. Verbal probes were also used to clarify the participant’s answers [70].

    The facilitator also asked the participants to explain or demonstrate the information in the video related to the module that was reviewed, such as metal practice and breathing exercises in module 1 and module 5, respectively. The participant’s ability to follow the instructions correctly was observed, and any difficulties, doubts, and reports were documented using a 3-point scale (1=correctly demonstrated, 2=assistance required from an evaluator or replaying the video, and 3=difficulty demonstrating the activity correctly after being assisted) [56]. At the participant’s request, whole or specific areas of content were revisited. On the basis of the benchmark by Rubin and Chisnell [71], a task was classified as a usability problem requiring attention to remedy if more than 70% of participants were unable to complete the task. The system usability scale (SUS) questionnaire [72,73] was used to evaluate satisfaction. SUS comprises 10 open-ended, polarity balance–based questions with a 5-point Likert scale for responses. The average scores were categorized based on a descriptor rating scale [74]. Finally, the facilitator interviewed each participant using a semistructured interview guide (Multimedia Appendix 1) adopted from the study by Stinson et al [75] to obtain feedback about navigation, content, and layout at the end of the second cycle of user testing.

    Data Analysis

    All interviews were audiotaped and transcribed verbatim in an anonymized format. The usability testing and interview data were analyzed together using triangulation [76]. Content analysis [77] of transcripts from the thinking aloud sessions, field notes, and feedback interviews was coded using predetermined codes related to usability issues (navigation, content, layout, learnability, errors, and satisfaction) after each iterative cycle. The interviews from the first cycle were analyzed and used to make minor modifications to the website before evaluation in the second cycle of testing. Very few modifications to the prototype were required after the second cycle of testing. To calculate the SUS score, the score contributions from each item are summed. Each item’s score contribution ranges from 0 to 4. For items 1, 3, 5, 7, and 9, the score contribution is the scale position minus 1. For items 2, 4, 6, 8, and 10, the contribution is 5 minus the scale position. Quantitative data from SUS (10 questions, each scored from 0 to 4 points) were transformed by multiplying by 2.5 to convert scores to a 0 to 100 range and categorized using adjective ratings [74]. The descriptive analysis (means and SD) of the quantitative data was conducted using Stata 13 software for Microsoft Office.


    Results

    Participants’ Characteristics

    We enrolled four ICT experts to act as evaluators during heuristics evaluation, which meets the optimal requirement for detecting all usability problems [78]. During user testing, 26 clinicians agreed to participate in this study (14 for needs assessment, and 12 for usability testing). A total of 69% (18/26) of participants were female (Table 2). Most participants (17/26, 65%) had a background in occupational therapy, had at least 16 years of experience in hand therapy (10/26, 38%), and practiced in outpatient rehabilitation facility (10/26, 38%). Most therapists were very comfortable using a computer/tablet or internet. See Table 2 for participants’ characteristics.

    Table 2. Demographic and computer and internet use characteristics of therapists participating in needs assessment/analysis and usability testing of the study (N=26).
    View this table

    Phase 1: Heuristic Testing

    The heuristic evaluation of HOCOS against the HLO checklist identified violations in 15 of the 35 criteria with violations seen across all domains (Multimedia Appendix 2). Domain 1 showed violations in 2 of the 7 criteria. There were 4 violations in the 13 criteria for domain 2. Most of the violations were represented in domain 3, with 6 of the 10 violations reported. Violations included (1) the home page image not representing the context of the website, (2) lack of a search function, and (3) links that are difficult to differentiate from the surrounding text or other graphic elements. Corrections were made and included adding a welcome image on the home page, adding a search function, and creating a box around link icons. Domain 4 revealed 3 violations in the 5 criteria because of heavy reliance on text-based information, lack of quizzes or forms, and lack of social media sharing options. We included more pictures and reduced the words per page, creating a separate link for the form. We decided against adding a social media link because of privacy concerns and the sensitive nature of psychosocial issues. Evaluation of HOCOS using Monkman heuristics identified violations in 5 of the 11 criteria (Multimedia Appendix 3) including lack of options for tailoring information to the user, poor use of plain language including medical jargon and Gunning Fog readability index greater than 8 [79,80], information in multiple languages, few succinct summaries versus more detailed information, need for scrolling to find important information, and poor communication of risks. The remaining violations were managed by adding activities that could be personalized, editing the content for therapists and patients using the Gunning Fog index, creating a summary of key points in the slides, adding an icon to important information, and adding a disclaimer to express inherent risks and benefits of the program.

    Phase 2: User Testing

    This included findings from the user task performance and cognitive interviews (thinking aloud) components of usability testing of the HOCOS.

    Task Performance

    We measured user performance based on ease of navigating through the site, assessing the ease of learning for a first-time user without familiarity with the interface, and the frequency and importance of errors. Errors observed during usability testing were reported in 3 categories: completed with ease, completed with help, and not completed [75]. The performance of the 10 tasks is presented in Table 3. In summary, seven tasks were completed easily by participants: logging in, browsing, reading the introductory pages, listening to audio files, reading PowerPoint presentations, filling a homework plan, contacting the researchers, and downloading a document. The remaining five tasks revealed difficulties with usability. Navigation errors were defined as failures to locate functions, excessive keystrokes, or failures to follow recommended screen flow [81]. Five participants were not able to find the assessment page to fill outcome measures. The page was accessible through the resources page, although the opening comments on the page highlighted contents on the resource page. There were 6 participants who did not realize that the workbook contained both educational information and homework despite text alongside the introduction highlighting different module assignments.

    Control usage errors were defined as improper toolbars or entry field usage [75]. Five participants were unable to identify the icons for submitting answers to some activities on the modules. This error was corrected by typing click on the link to write your answers on the link to provide answers. Providing feedback using the website form was the most difficult task for participants. Users did not click on the next page at the end of every module where the feedback form was placed. We included a text highlighting where to find the feedback form on the module’s introductory page and on the final page of every module. Presentation errors were defined as failures to locate and properly act upon desired information or selection errors because of labeling obscurities [75].

    Table 3. Task performance findings during usability testing (N=12).
    View this table

    Searching was a bit of a challenge for 5 participants because they did not know what to search for, unsure of search terms to use, or struggled to come up with a health topic in the context of the website. Participants completed the 12 tasks in phase 2 at the end of the second cycle of testing.

    Cognitive Interviews

    The key usability findings from the thinking aloud interviews were organized into the following themes: design aesthetics, content, functionality and features, and desire for future use. Multimedia Appendix 4 shows participants’ quotes from cognitive interviews.

    Design Esthetics

    Overall design aesthetics was critical to enhancing engagement and motivation to use the website and related to the layout, navigation, visual assets, and appeal. Participants liked the idea of different textures, colors, and cultures represented in the graphics. It was suggested that the font sizes should be set at size 14 to 16, and a large amount of information should be grouped and broken up with visual assets (graphics and illustrations). In response, we divided the PowerPoint slides into parts A and B and/or C to reduce information overload and reduce the feeling of being overwhelmed. Part C was created as an addendum with the caption, Please see part C for a deeper learning on this topic. Users also recommended that the most important message on each page should be at the top of the page. As the modules were stand-alone content, the participants suggested that a decision tree or matrix would reduce the burden of prescribing the appropriate module to patients based on their presentation and treatment goals. In response, we created a matrix with information on key learning points, indications, and contraindications for each module. For example, patients with paradoxical responses to visualization avoid thinking about their hand injury, and those focused on the loss may find mental imagery distressing. Changes were also suggested to some features to increase user interest and reduce negative responses. For example, we changed the titles Mental Practice to Picturing My Movement, Thought Reprocessing to Healthy Thinking, and Board of Directors to Thinking Traps.

    Content

    Program content was described in terms of completeness, understandability, quality, credibility, relevance, and interest. The comments on program content, such as texts, images, and multimedia components, were generally positive. The layout structure of presenting information in different formats and having a summary of key points after each lesson was valued. All participants judged that the site content was relevant and credible. Generally, participants were pleased with the completeness of the website, but additional content was suggested. Examples of additions included creating reflective pieces to improve engagement with the slideshows and linking activities under Mental Practice to portray the multisensory nature of hand movement. HOCOS was created with a focus on understandability, and all text developed to meet grade 6 to 7 reading levels. Most participants valued this consideration and commented that the information, language level, and medical term explanations were helpful in furthering understanding of topics that were unclear or new to them. However, some of the language used still had to be changed to conjure everyday talk and meet societal norms such as changing wife/husband to spousal partner and routine to day-to-day. Several language changes were made to clarify meaning, such as changing tissues to body, thought record to thought journal, healthy to uninjured, and food for thought to pause-stop-think.

    Functionality and Features

    These refer to the adaptive and interactive features on the website and included module 1 to 5 audio clips, printable PDF information forms for patient and clinician users, and videos of simulated patients completing module activities. It was agreed that these features allowed for an increased level of personalization of HOCOS content to meet the individual needs of the users. To further enhance participants’ motivation and engagement, we added the following functions: interactive questions (quizzes after each PowerPoint presentation), an Ask an Expert link to allow users to send an email question to the web developers and a goal plan journal to keep track of goals and activities. Participants suggested having features that allowed the program to support social interactions among participants, such as a discussion board. However, because of budgetary and time constraints, we were unable to include these functions in HOCOS. Other features that were introduced to help patients incorporate the new information to their daily routine was the How to Make It Work Guide.

    Desire for Future Use

    Overall, participants received HOCOS very well and expressed a desire to use the program in the future. It was agreed that the website would be especially useful if available to patients from initial contact for presurgical screening with surgeons or immediately after surgery in acute care. The therapists commented that they valued the fact that the site content focused on supplementing current hand therapy practice for patients struggling with psychosocial issues. The accompanying navigation of the workflow would make it easy to prioritize programs for their patients. Most participants suggested that collaboration with the CSHT and hand programs in Ontario would help facilitate increased uptake in the hand therapy community.

    System Usability Scale and User Satisfaction

    The SUS scores from both cycles of usability testing are listed in Table 4. Scores above 68 (SD 12.5) indicate above-average usability [82]. The mean SUS score for this study improved from 62.5 (SD 8.5) to 84 (SD 8.2), indicating that the average participants were highly satisfied with the usability of this online learning tool on all items of the SUS questionnaire, in terms of learnability, efficiency, memorability, errors, and satisfaction [56]. After addressing cycle 2 usability issues, we made some revisions to the final version of HOCOS. Specifically, a do-it-yourself (DIY) guide was created to support each module, a Go to homepage tab was created as a signpost to the respective sessions after logging in, and a navigation tutorial video and informational videos on the clinical impact of psychosocial factors on hand and upper limb injuries were created. Finally, we included patient-friendly resources on chronic pain, problem solving, time management, and a sleep guide. Overall, therapists found that HOCOS was a detailed and helpful learning resource for therapists and patients. Participants liked the web layout, tabs for modules, and resource page. There were no reported harms or unintended effects on participants, privacy breaches, or technical problems during usability testing. Overall, HOCOS system usability improved from good to excellent based on adjective rating scale described by Bangor et al [74].

    Table 4. System usability scale (N=12).
    View this table
    Final Version of Hand Therapy Online Coping Skills

    The final version of HOCOS was built on the Weebly platform, customized and styled using platform add-ons and publicly available pictures on Creative Commons. The platform included a landing page, a resource library, tabs for each of the modules, a feedback page, an assessment page, a goals page, and therapist- or patient-specific resources (Figure 2). Multimedia Appendix 1 gives a brief overview of the HOCOS content. Sessions can be accessed by logging in and completed using a suggested timetable. Figure 3 shows a navigation pathway to complete the 5 modules. Each module can be completed as stand-alone materials based on patient presentation. However, we recommend that every patient complete the introductory and pain education sections. Completing all five modules is projected to take approximately 6 to 8 weeks based on the structure of similar coping skill programs [83]. HOCOS is designed to be beneficial for both acute and chronic hand injuries. A therapist manual was also developed based on participant feedback.

    Figure 2. Navigation workflow of the Hand Therapy Online Coping Skills (HOCOS) training program. HCP: health care professional.
    View this figure
    Figure 3. Screenshot of webpages showing the architecture of the website. FAQs: frequently answered questions; HOCOS: Hand Therapy Online Coping Skills.
    View this figure

    Discussion

    Principal Findings

    The overall objectives of this paper were to provide an overview of HOCOS and report the findings from usability testing with ICT experts and clinicians practicing hand therapy. HOCOS is designed to help patients with hand and upper limb injuries learn how to better manage psychosocial issues. The uniqueness of HOCOS is an interface design that offers learning opportunities to both clinicians and patients. Overall, therapists were pleased with the objective and content of HOCOS and found it a useful resource for meeting patients’ needs in hand therapy.

    Usability Testing

    Formal usability testing is a key process required to ensure the relevance of content and make the website easy to use, learn, efficient, and acceptable to users [75]. Usability testing uncovered several violations during heuristic testing with ICT experts. Furthermore, user performance errors and areas for enhancing user satisfaction were also identified by therapists during user testing. Therapists reported some positive features of the website including being simple, user-friendly, and engaging and having a functional design that was accessible on several browsers following usability testing. Several changes were made to the online portal that corrected the errors uncovered and improved overall user satisfaction. Although HOCOS was initially designed for all modules to be completed together, feedback from clinicians highlighted the benefits of having modules as stand-alone options to reduce potential participant burden. Hand therapists expressed confidence that patients could execute the activities in the workbook, especially with the DIY guide. Testing also demonstrated that the primary condition of the patients determined the modules that therapists chose to introduce and apply in clinical practice. This process was enhanced by providing a guide on how to use the features, when to introduce the modules, and how the website may fit within the broader tool kits used in hand therapy.

    This study contributes to the dearth of literature on the usability testing of web-based portals developed for managing psychosocial factors in orthopedic hand and upper extremity services. Chad-Friedman et al [84] reported the use of an online interface designed to deliver a brief 60-second mindfulness exercise for hand and upper limb pain with improvements in state anxiety, pain intensity, distress, anxiety, depression, and anger after watching the video. In another study by Westernberg et al [42], a free online mindfulness-based video exercise was targeted at individuals with upper extremity conditions and psychosocial problems. Study findings reported improvement in momentary pain, anxiety, depression, and anger in patients with low levels of pain and psychologic distress. Similarly, Vranceanu et al [85] described the Toolkit for Optimal Recovery (TOR), a 4-session, live video, and manualized program informed by the fear-avoidance model to prevent chronic pain in at-risk adults with orthopedic injuries. TOR combines relaxation response with CBT, Acceptance and Commitment therapy skills. HOCOS provides a larger platform offering multiple options to therapists and patients using concepts from pain education science, relaxation response and behavior change techniques. On the basis of postcognitive interview feedback, therapists involved in this study preferred an online program that teaches patients how to change maladaptive cognitions and not simply accept such thoughts for long term effects. To close existing gaps in the literature, HOCOS was designed using CBT principles which teaches patients how to challenge automatic thoughts by holding them up to disproving evidence and then change them into different thoughts [86,87]. CBT begins by identifying a primary treatment goal and continuous striving to meet those goals [88]. HOCOS also provides modules that can be targeted at psychosocial problems associated with acute to subacute and chronic hand and upper limb conditions with therapist guidance. This is important because the untargeted use of psychological interventions in hand therapy and when self-directed by patients has been shown to demonstrate no benefits [89].

    Dissemination of evidence-based therapies remains poor in routine practice [90]. Although allied health care professionals (HCPs) are aware of the benefits of incorporating psychological interventions within their practice, they feel insufficiently trained to optimize their use of such interventions [91]. Barriers to practicing the evidence-based therapies include a lack of access to resources that contain such evidence [92,93] and limited usable formats of the evidence [94]. Training hand therapists to manage the physical and psychological sequelae of hand and upper limb conditions using HOCOS would increase their knowledge of psychosocial interventions and build their capacity and confidence to deliver it in clinical practice.

    Limitations

    Our study should be viewed with consideration of certain limitations encountered. The study was conducted among hand therapists in Ontario, and most participants were comfortable using the computer and the internet, which limit the generalizability of the study results. This may not be representative of the end users, such as patients seen in most hand therapy clinics. In recruiting participants for this study, we chose snowball sampling, a form of convenience sampling. This increases the risk of compiling a nonrepresentative sample. We planned to create an online platform that is user friendly for a significant portion of patients with hand and upper limb injuries who are mostly elderly [95], low skilled [96], and with less education [97]. These groups of individuals tend to be less computer literate, and to this end, we did our best to incorporate recommendations to ensure accessibility and ease of use in the web design and simplify the user experience [66]. This included a larger font size, white space around texts, and a simple color scheme to enhance readability.

    The presence of one of the researchers (FB) during the usability testing sessions may have affected the behavior of end users conducting the testing. The participants may have felt reluctant to be critical despite encouragement to highlight both weak and strong features of the website. Furthermore, we were unable to test the HOCOS website in the context of the patient-user’s experience to gain a comprehensive view of the system’s functioning in a clinical setting because of financial and time constraints. This needs to be addressed in future research by examining the effectiveness of HOCOS in a randomized controlled trial to determine if the present system design can contribute to improved outcomes in practice.

    User testing of an online intervention should include the ultimate end users, including patients, to allow for the examination of factors related to participants (age, gender, and education), disease (severity and duration of symptoms), and experience (access to and comfort with using the internet and computers) [75,98]. On the basis of ergonomic quality and safety principles, it has been recommended that prototypes of eHealth interventions should be fully inspected and walked through by HCPs before exposure to potentially vulnerable user groups such as individuals with significant psychosocial problems after a hand injury [99]. Financial and time constraints were significant barriers to testing HOCOS in patients with hand injuries. The next phase of the project is to evaluate the impact of HOCOS training on the actual implementation of the program on patients. We plan to carry out further testing in a proof-of-concept study to establish if individuals with hand and upper limb conditions and psychosocial problems are willing and able to complete the HOCOS program, complete the activities correctly, and adhere to the program principles.

    Conclusions

    This study provides initial support for the usability of HOCOS. Ensuring that therapists were involved in the design and development process of HOCOS enhanced the user-centeredness and user-friendliness of the website. Usability testing during the formative stage of eHealth intervention development is necessary to ensure that online interventions are effective and acceptable to potential users. HOCOS has the potential to increase access and acceptability of coping skills training programs for many individuals with hand and upper limb injuries who are not able to receive hospital- or clinic-based treatment psychotherapy. We plan to conduct a pilot study to determine the feasibility of the website for adults with hand and upper limb injuries and further refine the tool for a fully powered randomized controlled trial. If effective in improving outcomes, this program could be used as a template to develop more interventions targeting the psychosocial challenges confronting individuals with hand and upper limb injuries.

    Acknowledgments

    This work was supported by the Canadian Institutes Health Research (CIHR) grants, the Chronic Pain Network grant, and the American Society of Hand Therapy research grant. JM was supported by a CIHR Chair in Gender, Work and Health, and Dr Roth MacFarlane Chair in Musculoskeletal Measurement and Knowledge Translation.

    Conflicts of Interest

    None declared.

    Multimedia Appendix 1

    Semistructured interview guide for conducting cognitive interviews during usability testing.

    PDF File (Adobe PDF File), 33 KB

    Multimedia Appendix 2

    Heuristic evaluation of Hand Therapy Online Coping Skills by information and communications technology experts using general and readability guidelines of the Health Literacy Online checklist.

    PDF File (Adobe PDF File), 108 KB

    Multimedia Appendix 3

    Heuristic evaluation of Hand Therapy Online Coping Skills by information and communications technology experts using health-specific usability guidelines based on Monkman heuristics.

    PDF File (Adobe PDF File), 93 KB

    Multimedia Appendix 4

    Sample comments for each of the themes derived from analysis of the cognitive interview and feedback interview transcripts.

    PDF File (Adobe PDF File), 126 KB

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    Abbreviations

    ADDIE: Analysis, Design, Development, Implementation, and Evaluation
    CBT: cognitive behavioral therapy
    CIHR: Canadian Institutes Health Research
    CSHT: Canadian Society of Hand Therapy
    DIY: do-it-yourself
    eHealth: electronic health
    HCP: health care professional
    HLO: Health Literacy Online
    HOCOS: Hand Therapy Online Coping Skills
    ICT: information and communications technology
    MSK: musculoskeletal
    OT: occupational therapist
    PT: physiotherapist
    SUS: system usability scale
    TOR: Toolkit for Optimal Recovery


    Edited by G Eysenbach; submitted 18.11.19; peer-reviewed by M Nitsch, A Aminbeidokhti; comments to author 05.12.19; revised version received 05.02.20; accepted 21.02.20; published 06.05.20

    ©Folarin Omoniyi Babatunde, Joy MacDermid, Ruby Grewal, Luciana Macedo, Mike Szekeres. Originally published in JMIR Human Factors (http://humanfactors.jmir.org), 06.05.2020.

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