Table 4.

Adjusted Odds Ratios of Maternal Smoking Class Membership for Individual and Contextual Covariates, ECLS-B

	Ages 15–25, N=3450				Ages 26–35, N=4400			Ages 36+, N=1300
	Delayed initiators (10.9%)	Parenting- inspired quitters (5.9%)	Moderate smokers (15.7%)	Persistent heavy smokers (10.8%)	Temp- orary quitters (8.7%)	Moderate smokers (7.7%)	Persistent heavy smokers (10.8%)	Moderate reducers (7.6%)	Persistent heavy smokers (5.9%)
Age 15–17	–	–	0.34*	–	n/a	n/a	n/a	n/a	n/a
Some college	–	–	0.32**	0.28**	–	0.35*	0.27**	–	–
College or graduate degree	fixed	–	0.12**	Fixed	0.41**	0.12**	0.03**	–	–
Married or living together	0.62*	0.48*	–	0.54*	0.49*	0.28**	0.34*	–	0.00**
Part-time employed	–	–	1.58*	–	–	–	–	–	–
Full-time employed	–	–	–	–	–	–	–	–	–
Black	0.46*	–	0.22**	0.03**	–	0.30*	0.02**	–	–
Hispanic	0.23**	0.32**	0.12**	0.03**	–	0.05**	0.00**	–	0.01**
Asian or Other	–	–	–	0.37**	–	–	–	–	–
Depression	–	–	1.48*	–	–	1.94**	–	–	4.50*
Income 100–130% poverty	0.61*	–	–	–	–	–	–	–	–
Income 130–185% poverty	–	–	–	–	–	–	–	–	–
Income >185% poverty	–	–	–	0.43**	–	–	–	–	–
Breastfed child <6 months	–	–	–	–	–	–	0.46**	–	–
Breastfed child >6 months	0.42**	0.40*	0.27**	0.19**	–	0.33**	–	–	0.03**
Drinking before pregnancy	2.90**	4.00**	2.83**	5.29**	3.06**	1.93**	2.20**	2.80*	–
Others smoking in household	1.75*	–	4.55**	5.21**	5.13**	8.53**	9.10**	4.94**	583.47**
% below poverty	–	–	–	–	–	–	–	0.20*	–
% high school or less	–	–	–	–	–	–	–	9.05**	–
% moved in past year	–	–	–	–	–	–	–	–	–
% female headed households	–	–	–	–	–	–	–	–	0.42*
% unemployed	–	–	–	0.60*	–	–	–	–	–

Non-significant results not displayed.

^*<0.05

^**<0.01