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Impact of Waist Circumference Difference on Health-Care Cost among Overweight and Obese Subjects: The PROCEED Cohort.
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- المؤلفون: Pendergast, Karen1; Wolf, Anne2 ; Sherrill, Beth1; Zhou, Xiaolei1; Aronne, Louis J.3; Caterson, Ian4; Finer, Nicholas5; Hauner, Hans6; Hill, James7; Van Gaal, Luc8; Coste, Florence9; Despres, Jean-Pierre10
- المصدر:
Value in Health. Jun/Jul2010, Vol. 13 Issue 4, p402-410. 9p. 1 Diagram, 5 Charts.
- الموضوع:
- معلومة اضافية
- الموضوع:
- نبذة مختصرة :
Objective: To estimate the incremental effect of waist circumference (WC) on health-care costs among overweight and obese subjects after adjusting for body mass index (BMI). Methods: A prospective study. The subjects were members of Internet panels in the United States (US) and Germany. 10,816 individuals (United States: n = 5410; Germany: n = 5406) aged 30–70 years with BMI scores between 20 and 35 kg/m2 were recruited and grouped by category: healthy weight (BMI 20–24.9 kg/m2), overweight (BMI 25–29.9 kg/m2), and obese (BMI 30–35 kg/m2). Within the overweight and obese categories, the individuals were stratified by sex and within those subgroups, characterized as above or below the median WC. The subjects self-reported weight, WC, and health-care resource use at baseline, 3 months, and 6 months using online questionnaires. Over 65% of the recruited subjects completed all surveys. Resource utilization was translated into health-care costs by multiplying unit costs from national sources in each country. Annualized health costs were summarized for subjects with low and high WC within the overweight and obese categories. A two-part model generated predicted annual costs because of the WC difference controlling for BMI, demographic, and lifestyle variables among the overweight and obese subjects. Results: When BMI and other characteristics are constant, annual health-care costs are 16% to 18% higher in Germany and 20% to 30% higher in the United States for the subjects with a high WC compared with subjects with a low WC. Conclusions: Targeting people with a high waist circumference for weight management whether they are overweight or obese may maximize cost-efficacy. [ABSTRACT FROM AUTHOR]
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