METABOLIC AND PSYCHOLOGICAL PREDICTORS OF WEIGHT REGAIN AMONG BEHAVIORAL WEIGHT LOSS PARTICIPANTS

TL;DRAbstract

Obesity may soon surpass smoking as the leading contributor to preventable death in the United States. While weight loss treatment outcomes have improved over time, weight loss maintenance following treatment is a significant problem. The present study explored metabolic, psychological and behavioral predictors of weight regain among 40 obese adults 6 months following completion of a 6-month behavioral weight loss program (BWLP). Predictor variables were assessed at pre-treatment, post-treatment, and the 6 month follow-up. Multiple regression analyses revealed statistical trends for higher post-treatment and follow-up resting metabolic rate (RMR) to be associated with superior weight loss maintenance from post-treatment to follow-up (but not from pre-treatment to follow-up) after controlling for fat-free mass (FFM) and fat-mass (FM). In addition, a higher follow-up RMR was significantly associated with superior weight loss maintenance after controlling for FFM, FM, and caloric intake.

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