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Epidemiology. 2014 Sep;25(5):707-10. doi: 10.1097/EDE.0000000000000147.

Weight histories and mortality among finnish adults: the role of duration and peak body mass index.

Author information

1
From the aEmory University, Hubert Department of Global Health, Rollins School of Public Health, Atlanta, GA; bNational Institute for Health and Welfare (THL), Department of Health, Functional Capacity and Welfare, Turku/Helsinki, Finland; cUniversity of Turku, Department of Public Health, Turku, Finland; and dUniversity of Pennsylvania, Population Studies Center, Philadelphia, PA.

Abstract

BACKGROUND:

Many studies use information on weight histories to examine the association between body weight and mortality. A recent paper in Epidemiology (2013;25:707-710) developed a typology of the most common weight-history specifications.

METHODS:

We use data from a sample of Finnish adults to explore the associations of body weight and mortality, using existing specifications and also peak body mass index (BMI), a new specification.

RESULTS:

We confirm earlier findings that longer time in a high BMI state is predictive of mortality. Peak BMI (the highest BMI attained in life or available in the data) is also positively associated with mortality.

CONCLUSIONS:

The specifications of duration in a high BMI state and peak BMI are both valuable for understanding the relationship between lifetime weight dynamics and mortality. The collection of information on peak body weight may be useful when collection of more detailed weight histories is not feasible.

PMID:
25036431
PMCID:
PMC4355397
DOI:
10.1097/EDE.0000000000000147
[Indexed for MEDLINE]
Free PMC Article

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