TABLE IV.

Maternal IPT exposure and cord blood total IgE levels: Logistic regression analyses

Predictors	Cord blood (n = 478)
	Unadjusted models		Multivariate models
		Model 1*	Model 2†	Model 3‡	Model 4§
Periods of IPT
No IPT	—	—	—	—	—
Childhood/ teen only	1.78¶ (1.05–3.00)	1.48 (0.85–2.58)	1.52 (0.86–2.66)	1.45 (0.82–2.55)	1.43 (0.81–2.52)
Adult/pregnancy only	2.23║ (0.97–5.13)	2.19║ (0.90–5.33)	2.22║ (0.91–5.43)	2.33║ (0.95–5.70)	2.19║ (0.89–5.38)
Chronic IPT (both)	2.25¶ (1.19–4.24)	2.10¶ (1.07–4.15)	2.21¶ (1.09–4.49)	2.19¶ (1.08–4.46)	2.18¶ (1.06–4.50)

Results are presented as ORs and 95% CIs.

^*Model 1 adjusts for maternal age, child’s sex, maternal race, maternal education, current economic difficulties, season of birth, and parental home ownership.

^†Model 2 adjusts for maternal age, child’s sex, maternal race, maternal education, current economic difficulties, parental home ownership, season of birth, and other current NLEs.

^‡Model 3 adjusts for maternal age, child’s sex, maternal race, maternal education, current economic difficulties, parental home ownership, season of birth, other current NLEs, and household allergens.

^§Model 4 adjusts for maternal age, child’s sex, maternal race, maternal education, current economic difficulties, parental home ownership, other current NLEs, household allergens, season of birth, birth weight for gestational age, maternal atopy, and maternal smoking during pregnancy.

^║P < .10.

^¶P < .05.