Weight Loss and Mortality in a National Cohort of Adults, 1971–1987

Although obesity is a risk factor for mortality, evidence that weight loss improves survival is limited. The relation between self-reported previous maximum weight, weight loss, and subsequent mortality was examined in 2, 140 men and 2, 550 women aged 45–74 years who participated in the First Nation...

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Bibliographic Details
Published in:American journal of epidemiology 1992-09, Vol.136 (6), p.686-697
Main Authors: Pamuk, Elsie R., Williamson, David F., Madans, Jennifer, Serdula, Mary K., Kleinman, Joel C., Byers, Tim
Format: Article
Language:English
Subjects:
Aged
Analysis. Health state
Biological and medical sciences
Body Mass Index
Epidemiology
Female
Follow-Up Studies
General aspects
Health Surveys
Humans
Male
Medical sciences
Middle Aged
mortality
obesity
Obesity - mortality
Population
Proportional Hazards Models
Public health. Hygiene
Public health. Hygiene-occupational medicine
United States
Weight Loss
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Summary:Although obesity is a risk factor for mortality, evidence that weight loss improves survival is limited. The relation between self-reported previous maximum weight, weight loss, and subsequent mortality was examined in 2, 140 men and 2, 550 women aged 45–74 years who participated in the First National Health and Nutrition Examination Survey (1971 –1975) and survived the next 5 years. Vital status was determined through 1987. Among men and women whose maximum body mass index (weight (kg)/height (m)2) was between 26 and 29, risk of death increased with increasing weight loss, after adjustment for age, race, smoking, parity, preexisting illnesses, and maximum body mass index. Subjects who lost 15% or more of their maximum weight had over twice the mortality risk of those who lost less than 5%. At maximum body mass indices of 29 or higher, mortality risk increased with the amount of weight lost in women, but weight loss of 5% to
ISSN:0002-9262
1476-6256
DOI:10.1093/oxfordjournals.aje.a116548