Table 4.

Mediating role of child obesity-related behaviors (ORB) on the prospective association between maternal depression and child BMIz

			PA (less than vs. about the same)						TV watching Weekdays						TV watching Weekends						Healthy Eating
			3rd			5th			3rd			5th			3rd			5th			5th
	Independent variable(s)*	Dependent variable	Est	SE	p	Est	SE	p	Est	SE	p	Est	SE	p	Est	SE	p	Est	SE	p	Est	SE	p
	Girls
a	Severe Mat Depression at K	ORB	0.87	0.45	0.06	0.79	0.40	0.05	0.17	0.13	0.19	0.32	0.21	0.12	0.46	0.21	0.026	0.23	0.226	0.31	−0.14	0.10	0.17
b'	ORB†	Child BMIz K-5th‡	0.53	0.06	<0.01	0.56	0.05	<0.01	0.026	0.02	0.10	0.05	0.02	<0.01	0.05	0.012	<0.01	0.03	0.01	0.01	0.02	0.01	0.23
c'	Severe Mat Depression at K†	Child BMIz K-5th‡	0.09	0.01	<0.01	0.09	0.01	<0.01	0.08	0.02	<0.01	0.11	0.02	<0.01	0.08	0.02	<0.01	0.01	0.02	<0.01	0.09	0.01	<0.01
	Sobel Test					0.44	0.07	<0.01							0.02	0.02	0.16
a	Severe Mat Depression at 3rd	ORB	0.06	0.14	0.64	0.34	0.38	0.38	0.39	0.15	0.01	0.26	0.18	0.16	0.35	0.21	0.10	0.28	0.25	0.27	0.06	0.14	0.64
b'	ORB	Child BMIz at 5th	0.53	0.10	<0.01	0.63	0.09	<0.01	0.03	0.04	0.41	0.05	0.03	0.11	0.05	0.03	0.06	0.03	0.04	0.48	0.01	0.03	0.74
c'	Severe Mat Depression at 3rd	Child BMIz at 5th	0.22	0.11	0.04	0.21	0.11	0.05	0.17	0.13	0.19	0.21	0.13	0.11	0.13	0.13	0.32	0.15	0.13	0.26	0.22	0.11	0.05
	Boys
a	Severe Mat Depression at K†	ORB	0.15	0.35	0.66	0.37	0.13	0.26	0.19	0.14	0.16	0.10	0.19	0.58	0.29	0.19	0.13	0.06	0.20	0.76	−0.25	0.12	0.04
b'	ORB†	Child BMIz at 5th	0.44	0.10	<0.01	0.35	0.11	<0.01	0.12	0.03	<0.01	0.09	0.03	<0.01	0.07	0.02	<0.01	0.05	0.02	0.02	0.08	0.02	<0.01
c'	Severe Mat Depression at K†	Child BMIz at 5th	0.22	0.11	0.05	0.25	0.11	0.02	0.27	0.10	0.01	0.28	0.12	0.02	0.18	0.12	0.14	0.32	0.12	0.01	0.26	0.11	0.02
	Sobel Test																				−0.02	0.01	<0.01

^*all models adjusted by race/ethnicity (model includes all maternal depression and ORB as independent variables), SES and child age in months. Reference group for severe maternal depression is none/minimal level of symptoms

^†model includes maternal depression and ORB

^‡Estimates reported for longitudinal models (K-5th) are of maternal depression interacting with time

Normal birth weight children only