J Clin Outcomes Manage
Change in body mass index over 1 year in a family medicine clinic: a retrospective analysis of medical records
Rohrer JE, Bartel GA, Adamson SC, Furst J, Wade T
Abstract Objective: To determine if baseline body mass index (BMI) is a predictor of weight loss after 1 year in adult family medicine patients who are overweight or obese. Design: Retrospective chart review. Setting and participants: 598 overweight or obese (BMI, ? 25 kg/m2) adult patients treated in family medicine practices in Rochester, MN, between January 2006 and June 2007. Results: Over 40% of patients lost weight after 1 year, and 13% lost at least 5% of BMI. The percentage of patients losing weight was highest in those with a BMI between 30 and 34.9 kg/m2 at baseline. Multiple logistic regression analysis revealed that compared with patients with a BMI between 25 and 29.9 kg/m2, those with BMI of 30 kg/m2 or more had a higher adjusted odds ratio (OR) for losing any weight (OR, 2.1, 2.2, and 2.0 for BMI ranges 30?34.9, 35?44.9, and ? 45 kg/m2, respectively). Adjusted ORs for losing at least 5% of BMI were significantly higher for patients with a BMI of 30–34.9 kg/m2 and 35–44.9 kg/m2 (OR, 1.9 and 2.5, respectively). Conclusion: Overweight and obese patients can be advised that avoiding weight gain and losing a small amount of weight are achievable goals.
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