Table 4.
Association of air pollutants with MMSE G1 (orientation) using multivariable linear regression analysis.
| Air Pollutants | Multivariable | |
|---|---|---|
| Unstandardized Coefficient β (95% CI) | p | |
| PM2.5 (per 1 μg/m3) | −0.001 (−0.006, 0.003) | 0.532 |
| PM10 (per 1 μg/m3) | 0 (−0.003, 0.002) | 0.757 |
| O3 (per 1 ppb) | 0.014 (0.002, 0.026) | 0.020 |
| CO (per 1 ppm) | −0.175 (−0.413, 0.063) | 0.150 |
| SO2 (per 1 ppb) | −0.044 (−0.079, −0.009) | 0.015 |
| NO (per 1 ppb) | −0.010 (−0.021, 0.001) | 0.082 |
| NO2 (per 1 ppb) | −0.004 (−0.012, 0.003) | 0.232 |
| NOx (per 1 ppb) | −0.004 (−0.008, 0.001) | 0.128 |
Values expressed as unstandardized coefficient β and 95% confidence interval (CI). Abbreviations are the same as in Table 1. Multivariable model: adjusted for age, sex, smoking and alcohol history, DM, hypertension, cerebrovascular disease, life style with living alone and having job, BMI, SBP, DBP, fasting glucose, log triglyceride, total cholesterol, hemoglobin, eGFR, uric acid, and each air pollutants.