Table 2.

Prenatal PAH Exposure, Postnatal ETS, and Postnatal Respiratory Symptoms at 12 Months (n = 264)^*

	Analysis for Main Effects		Analysis for Interactions
Symptom/Exposure	OR	95% CI	OR	95% CI
Cough
Prenatal ETS	1.36	0.78-2.38	1.36	0.77-2.41
PAH	1.01	0.94-1.08	0.95	0.87-1.04
ETS	1.12	0.65-1.96	0.35	0.13-0.94†
PAH × ETS			1.41	1.10-1.82‡
Difficulty breathing
Prenatal ETS	0.75	0.37-1.53	0.75	0.37-1.53
PAH	0.99	0.90-1.08	0.96	0.84-1.09
ETS	0.99	0.49-1.99	0.65	0.23-1.86
PAH × ETS			1.12	0.91-1.39
Wheeze
Prenatal ETS	0.83	0.42-1.66	0.84	0.42-1.69
PAH	1.05	0.97-1.13	1.00	0.90-1.10
ETS	1.46	0.74-2.86	0.57	0.19-1.66
PAH × ETS			1.29	1.03-1.61†
Probable asthma
Prenatal ETS	0.53	0.21-1.29	0.53	0.21-1.29
PAH	0.92	0.77-1.10	0.93	0.74-1.18
ETS	2.89	1.19-7.00†	3.14	0.78-12.55
PAH × ETS			0.97	0.69-1.38

^*PAH refers to measurements collected from personal air monitor during the third trimester of pregnancy; ETS refers to ETS at 6 months or 12 months.

^†p < 0.05.

^‡p < 0.01.