The Trajectory of Activities of Daily Living and Its Influencing Factors in Older Adults: A Longitudinal Study.
Taomei Zhang, Min Chen, Hui Huang and 4 others
PMID 42062772WHAT IT FOUND
Older adults' daily living abilities worsened nonlinearly over seven years.
Women, older age, and multiple chronic diseases predicted faster decline. Depression and low social activity were linked to worse function, suggesting nurses should screen these factors early to identify high-risk patients.
Key findings
01Activities of daily living scores increased nonlinearly over time, indicating worsening functional impairment.
02Older women, advanced age, and a greater number of chronic diseases were associated with a faster rate of functional decline.
03Higher depressive symptoms were consistently associated with worse daily living abilities, while lower social activity diversity was linked to worse function in later years.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study used secondary data from CHARLS, so not all potential factors influencing ADL decline were available for analysis. Key variables like number of chronic diseases and social activities were measured as composite sum scores, which may obscure the specific effects of individual components. Participants with missing data at one or two time points were excluded, which may introduce healthy survivor bias. The findings are based on a Chinese population and may not generalize to other sociocultural or healthcare settings.
Declared interests
The study was funded by the Second Affiliated Hospital of Soochow University Research. The authors declare no conflicts of interest.
The easy way to misread this
Do not interpret the associations with depression or social activity as evidence that treating these factors will reverse ADL decline. This is an observational study showing correlation, not a trial testing an intervention.