Table 2.
Associations of exposure to PM2.5 and its components (per SD increase, μg/m3) with diabetes in Southwest China
| Pollutant | Model 1* | Model 2† | Model 3‡ | |||
|---|---|---|---|---|---|---|
| OR§ (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | |
| PM2.5 | 1.03 (0.99–1.06) | 0.07 | 1.10 (1.03–1.18) | <0.01 | 1.08 (1.01–1.15) | 0.03 |
| BC | 1.02 (0.99–1.05) | 0.10 | 1.10 (1.03–1.17) | 0.03 | 1.07 (1.01–1.15) | 0.03 |
| Ammonium | 1.02 (0.99–1.05) | 0.10 | 1.09 (1.02–1.16) | 0.01 | 1.07 (1.00–1.14) | 0.05 |
| Nitrate | 1.03 (0.99–1.06) | 0.07 | 1.11 (1.04–1.19) | <0.01 | 1.08 (1.01–1.16) | 0.02 |
| OM | 1.03 (1.00–1.06) | 0.04 | 1.12 (1.05–1.19) | <0.01 | 1.09 (1.02–1.16) | 0.01 |
| Sulfate | 1.02 (0.99–1.05) | 0.15 | 1.07 (1.01–1.13) | 0.03 | 1.05 (0.99–1.12) | 0.11 |
| SOIL | 1.04 (1.01–1.07) | 0.01 | 1.11 (1.04–1.19) | <0.01 | 1.09 (1.02–1.17) | 0.02 |
| SS | 1.02 (0.99–1.04) | 0.30 | 1.02 (0.97–1.08) | 0.50 | 1.02 (0.97–1.08) | 0.48 |
*
N = 69,210, crude model, adjusted for no covariates.
†
N = 69,210, adjusted for age, sex, ethnicity, region, income, and education.
‡
N = 69,210, adjusted for age, sex, ethnicity, region, income, education, alcohol, BMI, smoke, second-hand smoke, indoor air pollution, MET level, MED level, 3-year average temperature, and 3-year average humidity.
§
OR of prevalent diabetes.