Journal
OBESITY
Volume 22, Issue 6, Pages 1406-1412Publisher
WILEY
DOI: 10.1002/oby.20732
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Funding
- NIH [R21HL097252, R01 HL093713]
- WFU Claude D. Pepper Older Americans Independence Center [P30-AG21332]
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Objective The objective was to determine whether adding a self-regulatory intervention (SRI) focused on self-monitoring of spontaneous physical activity (SPA) and sedentary behavior to a standard weight loss intervention improved maintenance of lost weight. Methods Older (65-79 years), obese (BMI=30-40 kg/m2) adults (n=48) were randomized to a 5-month weight loss intervention involving a hypocaloric diet (DIET) and aerobic exercise (EX) with or without the SRI to promote SPA and decrease sedentary behavior (SRI+DIET+EX compared with DIET+EX). Following the weight loss phase, both groups transitioned to self-selected diet and exercise behavior during a 5-month follow-up. Throughout the 10-months, the SRI+DIET+EX group utilized real-time accelerometer feedback for self-monitoring. Results There was an overall group by time effect of the SRI (P<0.01); DIET+EX lost less weight and regained more weight than SRI+DIET+EX. The average weight regain during follow-up was 1.3 kg less in the SRI+DIET+EX group. Individuals in this group maintained approximately 10% lower weight than baseline compared with those in the DIET+EX group whom maintained approximately 5% lower weight than baseline. Conclusions Addition of a SRI, designed to increase SPA and decrease sedentary behavior, to a standard weight loss intervention enhanced successful maintenance of lost weight.
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