Journal
JOURNAL OF NUTRITION EDUCATION AND BEHAVIOR
Volume 42, Issue 6, Pages 380-388Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jneb.2009.08.006
Keywords
dietary adherence; cardiovascular disease; social support; saturated fat; prevention
Funding
- National Heart, Lung, and Blood Institute [RO1HL075101]
- NIH [T32 HL007343-27, K24HL076346]
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Objective: Evaluate the relationship between low social support (SS) and adherence to diet in a cardiovascular disease (CVD) lifestyle intervention trial. Design: Prospective substudy. Setting and Participants: Blood relatives/cohabitants of hospitalized cardiac patients in a randomized controlled trial (n = 458; 66% female, 35% nonwhite, mean age 50 years). Main Outcome Measures: Non-adherence to diet using MEDFICTS (Meats, Eggs, Dairy, Fried foods, fat In baked goods, Convenience foods, fats added at the Table, and Snacks) tool; SS using the Enhancing Recovery in Coronary Heart Disease Patients Social Support Instrument. Analysis: Logistic regression models adjusted for confounders. Results: Significant predictors (P < .05) of non-adherence to diet recommendations at 1 year included low SS, increased body mass index and waist size, lower physical activity, depression, pre-action stages of change, control group assignment, and being male. Those with low SS at baseline 2.7 greater odds of being non-adherent to diet at 1 year vs those with higher SS (95% confidence interval = 1.1 - 6.4); there was no interaction by group assignment. Conclusion and Implications: Low SS at baseline was independently associated with non-adherence to diet at I year, suggesting that Family members with low SS may be at heightened CVD risk as a result of poor dietary adherence.
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