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Is overweight and class I obesity associated with increased health claims costs?

Authors
Østbye-T; Stroo-M; Eisenstein-EL; Peterson-B; Dement-J
Source
Obesity 2014 Apr; 22(4):1179-1186
NIOSHTIC No.
20043512
Abstract
Objectives: Evaluate the relationship between body mass index (BMI) and health claims costs over the last decade, assess the strength and nature of the relationship between BMI and costs, and identify comorbidities that may drive any increased costs. Design and Methods: Using 2001-2011 claims data for employees participating in annual health appraisals, annual paid claims costs were calculated. One-part negative binomial models were fit to evaluate the relationship between BMI and costs, controlling for age, gender, race/ethnicity, and calendar year period. Results: The relationship between increasing BMI and increasing health claims costs is gradual and starts already at a BMI of 19. The nature of the relationship did not change notably over time. The most important obesity-related comorbidities, expressed as percent increase in cost per BMI unit, was cardiovascular disease (males 10.53, 95% CI [6.46, 14.77], females 4.27, 95% CI [1.25, 7.38), while cardiovascular agents (7.23, 95% CI [6.08, 8.39]) were the most important driver of pharmacy costs. Conclusion: In contrast to recent evidence relating to effects on mortality, we observed a gradual increase in health claims costs starting at the low end of the recommended BMI range.
Keywords
Humans; Men; Women; Weight-factors; Weight-measurement; Racial-factors; Age-factors; Sex-factors; Health-care; Sociological-factors; Body-weight; Cardiovascular-system-disease; Statistical-analysis
Contact
Truls Østbye, Department of Community and Family Medicine, Duke University Medical Center, Durham, NC, USA
CODEN
OBREFR
Publication Date
20140401
Document Type
Journal Article
Email Address
truls.ostbye@duke.edu
Funding Type
Grant
Fiscal Year
2014
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-009468; M122013
Issue of Publication
4
ISSN
1930-7381
Source Name
Obesity
State
NC
Performing Organization
Duke University, Durham, North Carolina
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