Title
Impact of waist circumference difference on health-care Cost among overweight and obese subjects : the PROCEED Cohort Impact of waist circumference difference on health-care Cost among overweight and obese subjects : the PROCEED Cohort
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
Oxford ,
Subject
Economics
Human medicine
Source (journal)
Value in health. - Oxford
Volume/pages
13(2010) :4 , p. 402-410
ISSN
1098-3015
ISI
000279872300011
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
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/m(2) were recruited and grouped by category: healthy weight (BMI 20-24.9 kg/m(2)), overweight (BMI 25-29.9 kg/m(2)), and obese (BMI 30-35 kg/m(2)). 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 healthcare 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.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/0b5128/1814.pdf
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