Article: Impact of Self-Reported Physical Activity Participation on Proportion of Excess Weight Loss and BMI Among Gastric Bypass Surgery Patients

Habitual physical activity is an important component of successful weight loss programs for morbidly obese individuals. This study examined self-reported physical activity (PA) participation in relation to excess weight loss and body mass index (BMI) reduction among gastric bypass surgery patients (GBS). PA participation was hypothesized to contribute to both greater excess weight loss (% EWL) and a greater reduction in BMI at 2 years postsurgery. PA participation was measured via self-report among 1585 GBS patients between 1988 and 2001. GBS patients were assigned to groups [PA (n = 1479)/no PA (n = 106)] and further stratified by presurgical BMI [35-49 kg/m^sup 2^ (n = 897) and 50-70 ...

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