Table 2. Results of Hierarchical Linear Models Predicting Mother-Child Interaction Qualities from Breastfeeding Accounting for Demographics and Early Characteristics.

	Outcome variables
Y = Mother-Child Interaction Qualities	Child Positivity		Child negativity		Maternal sensitivity
	Coeff	t	Coeff	t	Coeff	t
Constant
Intercept	2.458	62.41**	1.472	31.07**	9.168	81.33**
Mother is African American	-0.152	-4.29**	0.092	2.20*	-0.784	-7.01**
Mother is Latina	-0.092	-0.56	-0.047	-0.87	-0.104	-0.82
Mother's age	-0.001	-0.36	-0.001	-0.60	0.016	2.73**
Mother's years of education	0.020	3.88**	-0.010	-2.00*	0.137	10.12**
Mother is married/cohabiting	0.044	1.28	-0.045	-1.07	0.170	1.62
Total HOME score	0.005	1.48	0.003	1.07	0.054	6.73**
Maternal depression	-0.001	-0.82	0.003	1.91†	-0.009	-2.37*
Observed relationship quality	0.020	1.08	-0.079	-3.87**	0.295	6.04**
Wave slope
Intercept	0.126	15.20**	-0.118	-13.50**	0.182	9.64**
Breastfeeding slope
Intercept	0.022	0.65	0.002	0.05	0.157	2.03*

Note. Study site was also included as a covariate in the models (results not shown).

^†p < .06.

^*p < .05.

^**p < .01.