Trends in the prevalence of cognitive impairment in Chinese older adults: based on the Chinese Longitudinal Healthy Longevity Survey cohorts from 1998 to 2014.

Int Health · 2020 · PMC7443732 · PMID 31967316

Europe PMC DOI

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an increasing trendno p-value reported

Following further adjustment for health practice variables (model 5), the prevalence in other waves was more than that in 1998, but it showed an increasing trend first and a decreasing trend after 2008 ( Table 3 ).

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a decreasing trendno p-value reported

Our study suggests a decreasing trend of cognitive impairment prevalence in China.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.