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Table 3 Association between PM2.5 exposure (per 10 μg/m3 increment) and incidence of AD

From: Associations between PM2.5 exposure and Alzheimer’s Disease prevalence Among elderly in eastern China

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

  1. Abbreviations: HR relative hazard, 95%CI 95% confidence interval, AD Alzheimer's Disease
  2. 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
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Environmental Health

ISSN: 1476-069X