Table 4.
Odds ratios (ORs) of CESD-R ≥ 16 associated with an interquartile range (IQR) difference in pollutant levels over the preceding 2 weeks.a
| Pollutant | Unit | IQR | OR (95% CI) | p-Value |
|---|---|---|---|---|
| PM2.5 | μg/m3 | 3.40 | 0.67 (0.46,0.98) | 0.037 |
| SO42– | μg/m3 | 1.10 | 0.89 (0.65,1.22) | 0.48 |
| BC | μg/m3 | 0.23 | 1.00 (0.75,1.33) | 0.98 |
| UFP | 1,000/m3 | 6.63 | 1.04 (0.68,1.57) | 0.87 |
| O3 | ppb | 13.45 | 0.71 (0.46,1.09) | 0.12 |
| CO | ppm | 0.12 | 1.14 (0.90,1.44) | 0.28 |
| NO | ppb | 8.20 | 1.30 (0.96, 1.77) | 0.092 |
| NO2 | ppb | 4.07 | 1.32 (0.99,1.76) | 0.055 |
| aModels adjusted for age, sex, race/ethnicity, visit, ambient and dew point temperatures, barometric pressure, day of week, season, and long-term temporal trends. | ||||