Body mass index trajectories and mortality in community-dwelling older adults: population-based cohort study.

ABSTRACT:

Objective

Both low and high body mass index (BMI) have been associated with greater mortality in older adults. This study aimed to evaluate the trajectory of BMI in the final years of life.

Methods

A population-based cohort study was conducted including community-dwelling adults in the English Longitudinal Study of Ageing between 1998 and 2012. BMI was evaluated in relation to age and years before death. Number of long-term conditions, cigarette smoking and socioeconomic position were evaluated as effect modifiers.

Results

Data were analysed for 16 924 participants with 31 857 BMI records; mean age at study starts, 61.6 (SD 10.9) years; mean BMI, 27.5 (4.7) Kg/m². There were 3686 participants (4794 BMI records) who died and 13 238 participants (27 063 BMI r

SUBMITTER: Pai H 

PROVIDER: S-EPMC9341213 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature