Table 3 Hazard ratios (95% CI) for the association between PM2.5 and dementia risk during the 13-year follow-up period. Adjusted for age, sex, modified CCI, hypertension, diabetes, hyperlipidemia, temperature, relative humidity and pollutants in the corresponding year.

From: Long-term exposure to particulate matter was associated with increased dementia risk using both traditional approaches and novel machine learning methods

 

Hazard ratio* (95% CI)

PM2.5

1.05 (1.04, 1.05)

PM2.5 + SO2

1.11 (1.10, 1.12)

PM2.5 + NO2

1.03 (1.03, 1.04)

PM2.5 + SO2 + NO2

1.10 (1.09, 1.11)

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