Table 2.

Participants per Subgroup

Postpartum assessment	Abstainers		Smokers
	Normal/underweight	Overweight/obese	Normal/underweight	Overweight/obese
2 weeks	96	81	100	75
4 weeks	91	76	110	81
8 weeks	77	65	124	93
12 weeks	71	53	132	105
24 weeks	51	47	148	109