Table 3.

Prenatal PAH Exposure, Postnatal ETS, and Postnatal Respiratory Symptoms at 24 Months (n = 169)^*

	Analysis for Main Effects		Analysis for Interactions
Symptom/Exposure	OR	95% CI	OR	95% CI
Cough
Prenatal ETS	1.36	0.68-2.72	1.36	0.68-2.72
PAH	1.06	0.96-1.18	1.03	0.91-1.16
ETS	0.59	0.30-1.18	0.40	0.14-1.15
PAH × ETS			1.12	0.89-1.40
Difficulty breathing
Prenatal ETS	0.58	0.21-1.55	0.59	0.22-1.62
PAH	1.02	0.91-1.15	0.88	0.68-1.12
ETS	0.54	0.20-1.44	0.10	0.02-0.58†
PAH × ETS			1.54	1.06-2.22†
Wheeze
Prenatal ETS	0.62	0.23-1.65	0.63	0.23-1.70
PAH	1.03	0.91-1.16	0.84	0.59-1.20
ETS	1.66	0.63-4.37	0.46	0.09-2.36
PAH × ETS			1.44	0.95-2.18
Probable asthma
Prenatal ETS	0.52	0.20-1.34	0.48	0.17-1.30
PAH	1.08	0.97-1.20	0.89	0.67-1.20
ETS	2.36	0.91-6.10	0.38	0.07-1.99
PAH × ETS			1.64	1.10-2.45†

^*See Table 2 for definition of terms.

^†p < 0.05.