Associations of body mass index, waist circumference and the weight‐adjusted waist index with daily living ability impairment in older Chinese people: A cross‐sectional study of the Chinese Longitudinal Healthy Longevity Survey
Main finding · ADL impairment (fully adjusted multivariate logistic regression)Result — go to the resultAdjusted odds ratio 1.12 95% CI 1.02–1.23Authors' conclusion
There are significant associations between WC and WWI and ADL impairment in older Chinese people. The findings show the ability of the WWI to serve as a comprehensive and effective indicator of obesity in older Chinese people and emphasize the importance of assessing WWI in screening and preventing ADL impairment in older people.
Study context
- Population
- Adults aged ≥65 years, 2018 Chinese Longitudinal Healthy Longevity Survey
- Participants
- 13,260 adults
- Exposure
- Body mass index (BMI), waist circumference (WC) and WWI in relation to activities of daily living (ADL) impairment
- Outcome
- ADL impairment
Main finding
As reported in the abstract
ADL impairment (fully adjusted multivariate logistic regression)
Adjusted odds ratio
1.12
95% CI 1.02–1.23
High WWIvs Low WWI
aOR 1.12 (95% CI 1.02–1.23)
- WC and ADL impairment, aOR
- 1.01 (1.00, 1.01) (95% CI)
- WWI and ADL impairment, aOR
- 1.08 (1.03, 1.12) (95% CI)
Observational data: associations, not effects.
Further findings
Subgroup analyses
- Only the WWI–ADL impairment association did not differ across populations
Non-linear associations (restricted cubic splines)
- BMI, WC and WWI were non-linearly associated with ADL impairment
Original publication
Associations of body mass index, waist circumference and the weight‐adjusted waist index with daily living ability impairment in older Chinese people: A cross‐sectional study of the Chinese Longitudinal Healthy Longevity Survey. Diabetes Obes Metab. Published 4 July 2024. doi:10.
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