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Early behavioral adherence predicts short and long-term weight loss in the POUNDS LOST study.
Williamson, DA, Anton, SD, Han, H, Champagne, CM, Allen, R, Leblanc, E, Ryan, DH, Rood, J, McManus, K, Laranjo, N, et al
Journal of behavioral medicine. 2010;(4):305-14
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Abstract
The primary aim of this study was to test the association of early (first 6 months) adherence related to diet, self-monitoring, and attendance with changes in adiposity and cardiovascular risk factors. This study used data from the 24-month POUNDS LOST trial that tested the efficacy of four dietary macronutrient compositions for short-and long-term weight loss. A computer tracking system was used to record data on eight indicator variables related to adherence. Using canonical correlations at the 6 and 24 month measurement periods, early behavioral adherence was associated with changes in percent weight loss and waist circumference at 6 months (R = 0.52) and 24 months (R = 0.37), but was not associated with cardiovascular disease risk factor levels. Early dietary adherence was associated with changes in insulin at 6 months (R = 0.19), but not at 24 months (R = 0.08, ns). Early dietary adherence was not associated with changes in adiposity.