A web-based dietary intervention for people with type 2 diabetes: Development, implementation, and evaluation

Journal article


Ramadas, Amutha, Chan, Carina Ka Yee, Oldenburg, Brian, Hussien, Zanariah and Quek, Kia Fatt. (2015) A web-based dietary intervention for people with type 2 diabetes: Development, implementation, and evaluation. International Journal of Behavioral Medicine. 22(3), pp. 365 - 373. https://doi.org/10.1007/s12529-014-9445-z
AuthorsRamadas, Amutha, Chan, Carina Ka Yee, Oldenburg, Brian, Hussien, Zanariah and Quek, Kia Fatt
Abstract

Background: Diabetes is becoming a very important health issue in rapidly developing nations and there is an urgent need to improve overall diabetes self-management education in these countries. Although e-health is an emerging theme, only a few successful web-based studies on diabetes self-management have been reported. Purpose: We describe the development, implementation, and process evaluation of an Internet-delivered dietary intervention program (myDIDeA) for diabetic patients in a developing country. Method: Specific dietary components to be included in the intervention module were first identified through a comprehensive review of literature and guidelines. The lesson plans and the study website were then developed based on the evidence, Transtheoretical Model’s Stages of Change and user-centered design approach. Finally, the effectiveness of the website was tested through a randomized-controlled trial to promote dietary change in patients with type 2 diabetes. The participants in the intervention group (n = 66) were given access to myDIDeA for 6 months. Process evaluation in form of intervention adherence and program reception were conducted at post intervention. Results: The response rate for the process evaluation was 89 %. On average, each participant logged in at least once for each lesson plan and spent almost 12 min on the site. The participants’ content satisfaction, acceptability, and usability scores were satisfactory. The primary outcome of the trial, Dietary Knowledge, Attitude, and Behavior score was strongly correlated with content satisfaction (r = 0.826, p < 0.001), acceptability (r = 0.793, p < 0.001) and usability of the website (r = 0.724, p < 0.001), and moderately correlated with frequency of log-in (r = 0.501, p < 0.05) and duration spent in the website (r = 0.399, p < 0.05). Conclusion: The process evaluation of myDIDeA demonstrates its feasibility, and future studies should identify the possibility of extending the use of Internet-based intervention programs to other health behaviors and issues related to self-management of chronic conditions. In addition, interactivity, peer support via social media, and other means to stimulate the interest of participants can be explored.

Keywordsdiabetes mellitus; Type 2; diet; e-health; health innovation; intervention studies; implementation
Year2015
JournalInternational Journal of Behavioral Medicine
Journal citation22 (3), pp. 365 - 373
PublisherSpringer New York LLC
ISSN1070-5503
Digital Object Identifier (DOI)https://doi.org/10.1007/s12529-014-9445-z
Scopus EID2-s2.0-84930089128
Page range365 - 373
Research GroupSchool of Philosophy
Place of publicationUnited States of America
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