Gender differences in the correlation between body mass index and cognitive impairment among the community-dwelling oldest-old in China: a cross-sectional study.

ABSTRACT:

Objective

This study investigates gender differences in the correlation between body mass index (BMI) and cognitive impairment among Chinese community-dwelling oldest-old.

Setting

Twenty-three provinces in China. Participants' mini-mental state examination (MMSE) scores <24 were considered cognitive impairment. Furthermore, the assessment standards of BMI status were classified into four categories: obese (BMI >30), overweight (25≤BMI≤30), normal (18.5≤BMI<25) and underweight (BMI <18.5).

Participants

A total of 9218 older adults (age 80+) were included from the 2018 wave of Chinese Longitudinal Healthy Longevity Study.

Methods

Cognitive impairment, BMI and other covariates consisted of the sociodemographic variables, health behaviours and health status were co

SUBMITTER: Chen N 

PROVIDER: S-EPMC9685246 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature