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| Name | Class |
|---|---|
| Tan Tock Seng Hospital | OTHER |
| Ministry of Health, Singapore | OTHER_GOV |
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Diabetes education and self-management support can be delivered via mobile phones. This protocol aims to assess the feasibility and acceptability of Well Feet, a conversational agent, as a diabetic foot care companion. By utilizing feedback and responses to evaluative questions posted on the app's interface, the investigators intend to examine the app's technical, functional, and operational feasibility.
Diabetes puts patients with diabetes at risk of foot complications. Besides well managed diabetes, providing diabetes foot care education and self-management support is key to reducing the risk of developing diabetic foot ulcers, a serious and costly complication of diabetes. Although, education and self-management support for people with diabetes can improve patients' quality of life, they are still commonly not provided or inadequate. Digital technologies have the potential to offer a new convenient, interactive, and engaging mode of self-management education and support.
This study aims to examine the feasibility of the Well Feet app for diabetes foot care education and self-management support in promoting optimal foot care behaviour. In recognizing that many people with diabetes, especially the elderly, require the support of informal carers, the app also targets their knowledge and support needs.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention | All participants will receive a conversational agent app, Well Feet, to support them in learning foot care self-management. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Conversational Agent/Chatbot App | Other | Well Feet is developed based on adaptive learning frameworks to deliver diabetes foot care education through a conversational agent. The learning path for each participant will be customised based on their responses to pre-module quizzes. |
| Measure | Description | Time Frame |
|---|---|---|
| Usability of a health app among patients and carers at the end of the trial (1 month) | A validated questionnaire, MHealth App Usability Questionnaire, will be used to determine the usefulness and applicability of an app with a conversational agent/chatbot among patients and carers. The questionnaire consists of 3 subscales, which are ease of use (5 items), interface and satisfaction (7 items), and usefulness (6 items). Participants rate each of the items using a 7-point Likert scale ranging from 1 (strongly disagree) to 7 (strongly agree). The usability of the app is determined by the total and average of all statements-the higher the overall average, the better the usability of the app. However, if the average score is lower than 4, it means that the usability of the app is not good | end-of-trial (1 month) |
| Qualitative perspective on a conversational agent/chatbot app usage experience among patients and carers at the end of the trial (1 month). | A focus group discussion among the app user will be done to collect feedback on the user experience at the end of the trial. Qualitative data on app usability, app applicability, app relevance and user feedback will be retrieved from the focus group discussion. | end-of-trial (1 month) |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in foot care knowledge among patients and carers at baseline and end-of-trial (1 month). | A validated questionnaire, Foot Care Knowledge Questionnaire (FTC) will be used to evaluate changes in patient's and carer's knowledge on foot care from baseline to the end-of-trial. The questionnaire consists of 12 items to be rate true or false and the score will be presented in term of percentage of correct answer. Higher percentage of correct answers means higher level of foot care knowledge. |
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Inclusion criteria for patients:
Inclusion criteria for carers:
Exclusion criteria for patients and carers:
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Patients diagnosed with type 2 diabetes and their carer
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| Name | Affiliation | Role |
|---|---|---|
| Liew Hui Ling, MBBS | Tan Tock Seng Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nanyang Technological University, Center for Population Health Sciences, Lee Kong Chian School of Medicine | Singapore | 308232 | Singapore |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 37988150 | Background | Liew H, Pienkowska A, Ang CS, Mahadzir MDA, Goh KFI, Lodh N, Bojic I, Lawate A, Ong QC, Venkataraman K, Car J, Ho AHY. Empowering Foot Care Literacy Among People Living With Diabetes and Their Carers With an mHealth App: Protocol for a Feasibility Study. JMIR Res Protoc. 2023 Nov 21;12:e52036. doi: 10.2196/52036. | |
| 40342512 | Derived |
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Patient data will be anonymised and aggregated for analysis.
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| ID | Term |
|---|---|
| D017719 | Diabetic Foot |
| D003924 | Diabetes Mellitus, Type 2 |
| D016523 | Foot Ulcer |
| D007871 | Leg Ulcer |
| ID | Term |
|---|---|
| D003925 | Diabetic Angiopathies |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D012883 | Skin Ulcer |
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| baseline and end-of-trial (1 month) |
| Changes in foot care related self-management behaviour among patients at baseline and end-of-trial (1 month). | A validated questionnaire, Nottingham Assessment of Functional Footcare (Revised 2015) will be used to assess changes in patient's level of foot care related self-management behaviour from baseline to the end-of-trial. This questionnaire consists of 29 items on a 5-point Likert scale. The total number of scores will be added up and multiply the score by 1.115 to obtain the final score. Higher score means better self-management care. | baseline and end-of-trial (1 month) |
| Changes in carer's quality of life at the baseline and end-of-trial. | A validated questionnaire, Brief Assessment Scale for Caregivers (BASC) will be used to determine changes in carer's quality of life and level of burden from caring for a person with diabetes. This questionnaire consists of 14 items clustered into 5 factors. The mean BASC score is computed by summing up the non-NA items in each factor, then dividing by the number of items that were not missing. This gave a score scaled from 0 to 3, with a higher score indicating better caregiver outcomes. | baseline and end-of-trial (1 month) |
| Login frequency in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | Data on login frequency will be retrieved from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Time spent on the app in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | Data on total number of minutes spent on the app will be retrieved from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Number of module accessed in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | Data on total number of education module accessed will be retrieved from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Number of module completed in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | Data on number of education module completed will be retrieved from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Module quizzes scores in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | At the end of each module, users will be directed to a module quiz. Data on total scores for the module quizzes will be collected from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Module rating in the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | At the end of each module, users will be prompted to rate their learning experience using a 5-point Likert scale. Data of the ratings on each of the modules will be collected from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Overall app rating for the conversational agent/chatbot app among patients and carers at the end of the trial (1 month). | Upon completion of all learning modules, users will be prompted to rate their overall experience of using the app using a 5-point Likert scale. Data of the overall experience of app rating will be retrieved from the backend of the app at the end of trial. | end-of-trial (1 month) |
| Usability of a conversational agent/chatbot among patients and carers at the end of the trial (1 month). | A validated questionnaire, Chatbot Usability Questionnaire, will be used to determine the usefulness and applicability of a conversational agent/chatbot among patients and carers at the end of the trial. This questionnaire consists of 16 items on a 5-point Likert scale. The mean score will be calculated using CUQ calculator available on the Ulster University website. This higher mean score means better chatbot usability. | end-of-trial (1 month) |
| Tan Tock Seng Hospital | Singapore | 308232 | Singapore |
| Still CH, Harwell C, Killion C, Sattar A, Viswanath SE. OPtimizing Technology to Improve Medication Adherence and BP Control (OPTIMA-BP) Invention Versus Waitlisted Group in African American Adults with Hypertension: A Randomized Control Trial Protocol. Nursing (Auckl). 2025;15:29-41. doi: 10.2147/nrr.s491609. Epub 2025 Mar 24. |
| D012871 |
| Skin Diseases |
| D017437 | Skin and Connective Tissue Diseases |
| D048909 | Diabetes Complications |
| D003920 | Diabetes Mellitus |
| D004700 | Endocrine System Diseases |
| D003929 | Diabetic Neuropathies |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D005534 | Foot Diseases |