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2025 ; 25
(1
): 3588
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Association between housework frequency and cognitive impairment among Chinese
older adults: a prospective cohort study based on CLHLS
#MMPMID41131488
Wang Z
; Han H
; Chen Y
; Ling C
BMC Public Health
2025[Oct]; 25
(1
): 3588
PMID41131488
show ga
BACKGROUND: Housework is a crucial aspect of instrumental activities of daily
living (IADL), essential for maintaining the independence of older adults. This
study aims to explore the association between housework frequency and cognitive
impairment by incorporating a multidimensional assessment of cognitive impairment
risk factors. METHODS: This study utilized data from the Chinese Longitudinal
Health and Longevity Survey (CLHLS, 2014-2018), including 2797 older adults,
after excluding individuals aged?65 years, with cognitive impairment or
self-reported dementia, or missing education data at baseline, along with those
missing Chinese Mini-Mental State Examination (CMMSE) scores at either baseline
or follow-up. Cognitive function was assessed using the education-adjusted CMMSE
scores, while housework frequency was classified into three levels. Logistic
regression models were employed to examine the association of housework frequency
with the risk of cognitive impairment, after adjusting for demographics, living
habits, and health-related factors. Further adjustments were made sequentially
for baseline CMMSE scores and exercise. RESULTS: The risk of cognitive impairment
was higher among females, those aged 85 and above and non-exercisers. Compared
with those who did housework almost everyday, the risk of cognitive impairment
was significantly increased among those who did housework sometimes (OR?=?1.50;
95% CI, 1.03-2.17), and even higher among those who never did housework
(OR?=?1.98; 95% CI, 1.49-2.65) after adjusting for demographics, living habits,
and health-related factors. Similar associations were obtained after further
adjustments sequentially for baseline CMMSE scores and exercise. In addition,
hearing loss, social isolation, and non-smoking were identified as risk factors
influencing cognitive impairment. No significant interaction effects were found
between age and gender with housework frequency. CONCLUSIONS: Our study revealed
that Chinese older adults who engaged in less housework had a higher risk of
cognitive impairment. Doing housework could serve as a cost-effective strategy to
reduce this risk in the context of a healthy aging population in China.
|*Activities of Daily Living
[MESH]
|*Cognitive Dysfunction/epidemiology
[MESH]
|*Household Work/statistics & numerical data
[MESH]