Internet Use and Cognitive Function in Older Chinese Adults
Author Information
Author(s): Cahill Naomi, Leung Tiffany, Azizan Azliyana, Soluoku Talha, Chen Bowen, Yang Chun, Ren Shanshan, Li Penggao, Zhao Jin
Primary Institution: Sir Run Run Shaw Hospital, Zhejiang University School of Medicine
Hypothesis
This study aims to explore the association between internet use and age-related cognitive decline among middle-aged and older Chinese adults.
Conclusion
The use of the internet by individuals aged 45 years and older is associated with a reduced risk of cognitive decline.
Supporting Evidence
- Participants using the internet had higher cognitive assessment scores than nonusers.
- Persistent internet users had a lower incidence of neurodegenerative diseases compared to nonusers.
- Increased frequency of internet use was associated with greater cognitive benefits.
- Cell phones provided more cognitive protection than computers for internet users.
- Internet use mediated 34.2% of the urban-rural cognitive gap.
Takeaway
Using the internet can help older people think better and may keep their brains healthy as they age.
Methodology
Data from 12,770 dementia-free participants aged ≥45 years were analyzed using fixed effects models and multiple regression analyses.
Potential Biases
Potential bias due to loss to follow-up and unmeasured confounders.
Limitations
The study may not represent all older adults in China, as it did not include those in nursing homes or hospitals.
Participant Demographics
Participants were aged 45 years and older, with a majority being married, more educated, and living in urban areas.
Statistical Information
P-Value
p<0.001
Confidence Interval
95% CI 0.391-0.710
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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