The longitudinal bidirectional association between sarcopenia and cognitive function in community-dwelling older adults: Findings from the China Health and Retirement Longitudinal Study.

After further controlling for the average household income, the longitudinal dose-response relationship between sarcopenia and cognitive function was also found (β = -0.30, P for trend = 0.049, Table S5 in the Online Supplementary Document ), but this dose-response association of baseline cognitive scores with follow-up sarcopenia status became marginally significant (OR = 0.88, P for trend = 0.087, Table S6 in the Online Supplementary Document ).

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Interestingly, the stratified results revealed that the association was not statistically significant in males and those with higher education, which may potentially explain the marginal significance in the main analysis.

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