Depression as a predictor of weight loss in coronary heart disease rehabilitation



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The present study investigated the relationship between depression and weight loss in a Coronary Heart Disease (CHD) rehablitation program. It was hypothesized that entry level depression would be predictive of percentage weight loss over the course of the ten week program. The sample consisted of 17 male CHD patients who completed a program emphasizing nutrition, exercise, stress management, and smoking cessation. The main analysis did not support the hypothesis that depression was a significant predictor of percentage weight loss. A post hoc analysis examined the hypothesis that the non-somatic item total of the Beck Depression Inventory (BDI) might be predictive of percentage weight change. Post hoc analyses provided only "mild" support for the hypothesis that the non-somatic items would be predictive of weight loss. After an outlier was removed from the sample significant interactions between two non-linear trends and depression were found. The interactions revealed that differences in weight loss predicted by depression may only become apparent during the last half of the treatment program. The need for future studies of the CHD population in which depression is assessed with multiple measures and at multiple times was discussed.



Coronary heart disease, Psychosomatic aspects, Rehabilitation, Weight loss, Psychological aspects