Introduction Automated text messaging can deliverself-management education to activate self-care behaviors among people with diabetes. We demonstrated how adiscrete-choiceexperiment was used to determine the features of a text-messaging intervention that are important to urban,low-incomeLatino patients with diabetes and that could support improvement in their physical activity behavior. Methods In adiscrete-choiceexperiment from December 2014 through August 2015 we conducted a survey to elicit information on patient preferences for 5 features of atext-messagingintervention. We described 2 hypothetical interventions and in 7 pairwise comparisons asked respondents to indicate which they preferred. Respondents (n = 125) were recruited in person from a diabetes management program of a safety-net ambulatory care clinic in Los Angeles; clinicians referred patients to the research assistant after routine clinic visits. Data were analyzed by using conditional logistic regression. Results We found 2 intervention features that were considered by the survey respondents to be important: 1) the frequency of text messaging and 2) physical activity behavior-change education (the former being more important than the latter). Physical activity goal setting, feedback on physical activity performance, and social support were not significantly important. Conclusion Adiscrete-choiceexperiment is a feasible way to elicit information on patient preferences for a text-messaging intervention designed to support behavior change. However, discrepancies may exist between patients' stated preferences and their actual behavior. Future research should validate and expand our findings.
CITATION STYLE
Ramirez, M., Wu, S., & Beale, E. (2016). Designing a text messaging intervention to improve physical activity behavior amonglow-incomelatino patients with diabetes: A discrete-choice experiment, Los Angeles, 2014-2015. Preventing Chronic Disease, 13(12). https://doi.org/10.5888/pcd13.160035
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