Impact of a Behavioral Intervention on Diet, Eating Patterns, Self-Efficacy, and Social Support.


Center for Population Health and Aging, Texas A&M University, College Station, TX; Department of Environmental and Occupational Health, School of Public Health, Texas A&M University, College Station, TX; Department of Health Promotion and Behavior, College of Public Health, The University of Georgia, Athens, GA. Electronic address: [Email]


OBJECTIVE : To examine the effectiveness of a structured multimodal behavioral intervention to change dietary behaviors, as well as self-efficacy and social support for engaging in healthier diets.
METHODS : A quasi-experimental design was used to assign sites into intervention and comparison groups. Data were collected at baseline, 3 months, and 6 months. The intervention group participated in Texercise Select, a 12-week lifestyle enhancement program. Multiple mixed-effects models were used to examine nutrition-related changes over time.
RESULTS : For the intervention group, significant improvements were observed for fast food consumption (P = .011), fruit/vegetable consumption (P = .008), water consumption (P = .009), and social support (P < .001) from baseline to 3 months. The magnitude of these improvements was significantly greater than changes in the comparison group.
CONCLUSIONS : Findings suggest the intervention's ability to improve diet-related outcomes among older adults; however, additional efforts are needed to maintain changes over longer periods.


evidence-based program,healthy diet,intervention,lifestyle,program evaluation,

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