Table 2.

Calculated levels of environmental exposure to tobacco during pregnancy.

	EET Mother		EET Partner		EET Total
	n	%	n	%	n	%
No EET	1057	83.8	905	71.7	801	63.5
Low EET (<10 cig./day)	167	13.2	146	11.6	116	9.2
Moderate EET (10–31.5 cig./day)	38	3.0	208	16.5	231	18.3
High EET (>31.5 cig./day)	0	0	3	0.2	114	9.0

EET: environmental exposure to tobacco smoke.