Table 5.

Predicting intended breastfeeding (BF) duration among African American mothers in Facebook support groups.

	Model 1				Model 2
Variable	B	SE B	β	sr2	B	SE B	β	sr2
Facebook support	0.32	1.21	0.01	0.00	0.06	1.30	0.00	0.00
BF self-efficacy	0.13	0.05	0.13*	0.01	0.14	0.05	0.14*	0.02
Perceived (positive) BF norms	−0.07	0.42	−0.09	0.01	−0.09	0.04	−0.11*	0.01
BF attitudes	0.20	0.08	0.13*	0.12	0.21	0.08	0.14*	0.02
Current BF duration	0.66	0.06	0.55***	0.01	0.66	0.07	0.55***	0.26
Facebook support × BF attitudes					−0.27	0.24	−0.06	0.02
Facebook support × perceived BF norms					0.22	0.13	0.09	0.00
Facebook support × BF self-efficacy					0.01	0.12	0.01	0.71
Facebook support × current BF duration					0.02	0.21	0.01	0.00
R 2	0.39				0.40
Adjusted R2	0.38				0.38
F	30.59***				1.03

*p < 0.05, **p < 0.01, ***p < 0.001