Body Mass Index, Waist-to-hip Ratio and Cognitive Function Among Chinese Elderly: a Cross-sectional Study

Overview

Journal BMJ Open

Specialty General Medicine

Date 2018 Oct 21

PMID 30341119

Citations 18

Authors

Tao Zhang

Rui Yan

Qifeng Chen

Xuhua Ying

Yujia Zhai

Fudong Li

Xinyi Wang

Fan He

Chiyu Ye

Junfen Lin

Affiliations

Soon will be listed here.

Abstract

Objectives: To investigate the associations between body mass index (BMI), waist-to-hip ratio (WHR) and cognitive function among Chinese elderly.

Design: Cross-sectional study.

Setting: Community.

Participants: Data were obtained from the baseline survey of a community-based cohort in Zhejiang Province, and 9326 persons aged 60 years and older were enrolled.

Primary Outcome Measures: We investigated the association between BMI and cognition, and then explored the association between WHR and cognition across different quartiles of BMI.

Results: A sample of 9087 persons was used in this study, including 4375 men and 4712 women. Higher WHR increased cognitive impairment risk in those with BMI >25.3 kg/m (OR (per 0.1 increase) 1.39; 95% CI 1.13 to 1.70). No statistically significant association was found in other BMI categories.

Conclusions: Higher WHR could increase the risk of cognitive impairment among elderly with BMI >25.3 kg/m. Our results suggest that it could be of benefit to the elderly with high BMI to control WHR.

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