Abstract
Two hundred twenty-one first-year medical students participated in a voluntary coronary heart disease risk factor self-change project designed to teach the principles of behavioral change. Blood pressure, serum lipids, percentage body fat, cardiovascular fitness, and smoking status were measured prior to the project. Students designed their own programs of behavior modification and, after 8 weeks, repeat measurements were obtained in students whose projects related to coronary heart disease risk (56% of entire group). Despite generally low initial coronary heart disease risk factors, most risk factor groups successfully altered the targeted risk factors. The subgroup attempting to lower serum cholesterol ( n = 49) reduced total cholesterol 15 ± 24 mg/dl (mean ± SD) and low-density lipoprotein cholesterol 11 ± 20 mg/dl ( P < 0.001 for both). The blood pressure group ( n = 9) decreased systolic blood pressure 8 ± 10 mm Hg ( P < 0.05), and the weight-loss group ( n = 33) lost 3.0 ± 2.9 kg ( P < 0.001), reducing estimated percentage body fat 1.7 ± 1.8 ( P < 0.001). The self-change project was well received by the students and appears to be a useful technique for introducing the principles of behavioral medicine to first-year medical students.
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