Association between physical activity, weight - adjusted waist index, and all - cause mortality in Chinese older adults: a national community - based cohort study.

Subsequent to comprehensive adjustment for covariates, notable increases in mortality risk emerged for both the second (Q2) and third (Q3) quartiles (P < 0.05), while the risk in the fourth quartile (Q4) demonstrated an exceedingly significant surge (P < 0.001).

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