Individual and Aggregate Years-of-life-lost Associated With Overweight and Obesity

This study presents nationally representative estimates of individual and aggregate years‐of‐life‐lost (YLLs) associated with overweight and three categories of obesity separately by age, race, smoking status, and gender strata. Using proportional hazards analysis and data from the National Health I...

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Bibliographic Details
Published in:Obesity (Silver Spring, Md.) Md.), 2010-02, Vol.18 (2), p.333-339
Main Authors: Finkelstein, Eric A., Brown, Derek S., Wrage, Lisa A., Allaire, Benjamin T., Hoerger, Thomas J.
Format: Article
Language:English
Subjects:
Adolescent
Adult
African Americans - statistics & numerical data
Age Distribution
Age Factors
Aged
Aged, 80 and over
Body Mass Index
Cost of Illness
European Continental Ancestry Group - statistics & numerical data
Female
Health Surveys
Humans
Life Expectancy
Life Tables
Male
Middle Aged
Obesity - ethnology
Obesity - etiology
Obesity - mortality
Overweight - ethnology
Overweight - etiology
Overweight - mortality
Prevalence
Proportional Hazards Models
Risk Assessment
Risk Factors
Severity of Illness Index
Sex Distribution
Sex Factors
Smoking - adverse effects
Smoking - mortality
Time Factors
United States - epidemiology
Young Adult
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Summary:This study presents nationally representative estimates of individual and aggregate years‐of‐life‐lost (YLLs) associated with overweight and three categories of obesity separately by age, race, smoking status, and gender strata. Using proportional hazards analysis and data from the National Health Interview Survey (NHIS) Linked Mortality Files, we estimated life expectancies for each BMI strata and quantified YLLs by comparing differences between each strata and the normal BMI reference group. Our results provide further evidence that overweight and mild obesity are not associated with a reduction in life expectancy. However, higher BMI categories are associated with lower expected survival. In aggregate, excess BMI is responsible for ∼95 million YLLs. White females account for more than two‐thirds of the aggregate YLLs. Unless something is done to reduce the rising prevalence of those with BMIs >35, or to mitigate the impact of obesity or its correlates on YLLs, expected life expectancy for US adults may decrease in the future.
ISSN:1930-7381
1930-739X
DOI:10.1038/oby.2009.253