Model | HR | 95% CI | P values |
---|
Model 1 | 0.85 | 0.76–1.05 | 0.06 |
Model 2 | 1.02 | 1.01–1.09 | 0.04 |
Model 3 | 1.05 | 1.02–1.11 | 0.03 |
Model 4 | 1.03 | 1.01–1.10 | 0.04 |
- Abbreviations: HR relative hazard, 95%CI 95% confidence interval, AD Alzheimer's Disease
- aModel 1 was an unadjusted model; Model 2 included PM2.5, age, gender; Model 3 added smoking and ETS exposure based on Model 2; Model 4 added educational degree, family income, BMI, and occupation before retirement based on Model 3