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. 2012 Dec 18;121(3):380–386. doi: 10.1289/ehp.1205827

Table 2.

Associations between IQR increases in entire pregnancy average air pollution exposures and AD: conditional logistic regression analysis using matched controls.a

Exposure metric IQR Unadjusted Adjustedb
OR nc (case/control) OR (95%CI)
U-LUR-NO 9.40 ppb 0.87 7,420/72,231 1.04 (1.00, 1.08)
U-LUR-NO2 5.41 ppb 0.91 7,420/72,231 1.07 (1.03, 1.12)
S-LUR-NO 18.46 ppb 0.84 6,279/52,144 1.02 (0.96, 1.08)
S-LUR-NO2 9.70 ppb 0.87 6,279/52,144 1.05 (0.98, 1.12)
CO 0.55 ppm 0.85 7,421/72,253 0.99 (0.94, 1.05)
NO 29.67 ppb 0.85 7,421/72,253 1.01 (0.95, 1.07)
NO2 10.47 ppb 0.89 7,421/72,253 1.04 (0.98, 1.10)
O3 11.54 ppb 1.19 7,421/72,253 1.06 (1.01, 1.12)
PM10 8.25 µg/m3 0.96 6,795/63,662 1.03 (0.96, 1.10)
PM2.5 4.68 µg/m3 1.01 5,840/55,776 1.07 (1.00, 1.15)
Abbreviations: S-LUR, seasonalized land use regression; U-LUR, unseasonalized land use regression. aControls matched to cases by birth year, sex, and at minimum reached the gestational age of the case. bAdjusted for maternal age, education, race/ethnicity, maternal place of birth; type of birth, parity, insurance type, gestational weeks at birth (continuous). cSample with complete data (i.e., strata with at least one case and one control).