Table 3.
Risk of atopic dermatitis in 6-month-old children with prenatal exposure to ambient PM10/NO2 and green space in their area of residence.
| Exposure Variable | Atopic Dermatitis | |
|---|---|---|
| Unadjusted | Adjusted 1 | |
| OR (95% CI) | OR (95% CI) | |
| PM10 (10 μg/m3) | ||
| First trimester | 1.195 (1.038–1.376) * | 1.219 (1.023–1.452) * |
| Second trimester | 1.050 (0.881–1.253) | 0.927 (0.725–1.185) |
| Third trimester | 0.834 (0.710–0.980) * | 0.975 (0.792–1.201) |
| Entire pregnancy | 1.123 (0.844–1.493) | 1.096 (0.795–1.510) |
| NO2 (10 ppb) | ||
| First trimester | 1.202 (1.002–1.444) * | 1.353 (1.027–1.782) * |
| Second trimester | 1.045 (0.852–1.282) | 1.115 (0.839–1.480) |
| Third trimester | 0.999 (0.811–1.230) | 1.254 (0.934–1.684) |
| Entire pregnancy | 1.105 (0.891–1.369) | 1.269 (0.936–1.721) |
| Residential surrounding green space | ||
| 100-m buffer | 0.993 (0.993–1.001) | 0.997 (0.993–1.001) |
| 200-m buffer | 0.997 (0.994–0.999) * | 0.996 (0.993–0.999) * |
| 300-m buffer | 0.999 (0.996–0.999) * | 0.997 (0.995–0.999) * |
| 500-m buffer | 0.999 (0.999–1.000) | 0.999 (0.998–1.000) |
Abbreviations: OR, odds ratios; CI, confidence interval; ppb, part per billion. 1 Adjusted for maternal age, education, income, body mass index, history of allergy, exposure to secondhand smoke, residential mobility, gestational age, the presence of pets, infant sex, birth weight, season of birth, breastfeeding, mode of delivery, temperature, and humidity. * Significant at p < 0.05.