Association between physical activity and frailty transitions in middle-aged and older adults: a nationwide longitudinal study.

Results showed that participants with moderate levels (OR = 0.32, 95% CI: 0.20–0.51) and high levels (OR = 0.19, 95% CI: 0.11–0.31) of PA had a significantly lower risk of frailty worsening compared to inactive participants, and although the effect of low levels of PA did not reach statistical significance, its estimate of 0.70 has a tendency to move toward lower frailty worsening risk (Supplementary Table S3 ).

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