Sensitivity analysis for lung function effects of near-roadway residential total nitrogen oxides (NOx)
| FEV1* | FVC* | |
|---|---|---|
| % difference (95% CI) | % difference (95% CI) | |
| Main model | −1.10 (−2.19 to −0.01) | −1.56 (−2.62 to −0.49) |
| Additional covariates | ||
| Main model+family income | −1.04 (−2.13 to 0.07) | −1.51 (−2.58 to −0.43) |
| Main model+parental level of education | −0.96 (−2.05 to 0.14) | −1.44 (−2.51 to −0.36) |
| Main model+diagnosis of asthma by medical doctor | −1.06 (−2.14 to 0.03) | −1.55 (−2.61 to −0.47) |
| Main model+dogs in home | −0.97 (−2.06 to 0.13) | −1.40 (−2.47 to −0.33) |
| Main model+cats in home | −1.09 (−2.18 to 0.00) | −1.55 (−2.61 to −0.47) |
| Main model+exposure to gas stove | −1.10 (−2.18 to −0.01) | −1.56 (−2.62 to −0.49) |
| Main model+in utero exposure to maternal smoking | −1.09 (−2.17 to 0.01) | −1.60 (−2.66 to −0.53) |
| Main model+exposure to tobacco smoke at home | −1.12 (−2.20 to −0.02) | −1.57 (−2.63 to −0.50) |
| Main model+exposure to mold | −1.12 (−2.21 to −0.03) | −1.57 (−2.64 to −0.50) |
| Main model+insurance coverage | −1.10 (−2.18 to −0.01) | −1.55 (−2.61 to −0.48) |
| Subgroup analysis | ||
| Non-asthmatics | −1.19 (−2.41 to 0.05) | −1.51 (−2.72 to −0.29) |
| Asthmatics | −0.65 (−3.35 to 2.14) | −1.20 (−3.91 to 1.58) |
| Boys | −0.96 (−2.48 to 0.58) | −1.13 (−2.60 to 0.36) |
| Girls | −1.10 (−2.65 to 0.48) | −1.81 (−3.34 to −0.25) |
*See table 2 for adjustment variables and scaling factor for pollutant effects.
FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity.