Association of improved air quality with lower dementia risk in older women.

Proc Natl Acad Sci U S A · 2022 · PMC8764698 · PMID 34983871

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did not reach statistical significanceno p-value reported

An elevated dementia risk was found among women exposed to higher PM 2.5 concentrations at baseline (HR, 1.16 per 2.90 μg/m 3 ; 95% CI: 0.98–1.38), but the estimated association did not reach statistical significance.

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