Table 3.

Regression Coefficients for Tradeoff between Weekly Hours in Selected Activities

Variable	Nonscreen Play	Sleeping	Reading	Nonscreen Study	Sports	Outdoors	Television	Video games	Computer play	Computer study	Computer communications
Variable	OLS	OLS	Tobit	Tobit	Tobit	Tobit	OLS	Tobit	Tobit	Tobit	Tobit
Background:
Black	−2.06 ^**	0.53	−1.29 ^**	1.37 ^**	−2.22 ^**	−3.91 ^**	2.01 ^**	0.66	−0.98	−3.53	−5.41 ^***
Hispanic	−1.78 ^**	−0.05	−1.50 ^*	1.89 ^**	−2.29 ^*	−1.11	1.02	−1.94	−2.50 ^*	−1.57	−0.65
Male	0.32	0.00	−0.11	0.72 ^*	2.75 ^***	0.09	0.39	7.24 ^***	1.25 ^*	−2.14	−0.02
Age is 6 to 8	3.31 ^***	2.56 ^***	0.00	−2.44 ^***	−2.33 ^***	0.14	−1.79 ^**	−1.83 ^**	−1.28 ^*	−4.82 ^**	−4.23 ^***
Mother completed some college	−0.10	−1.17 ^*	−0.02	0.37	0.14	0.89	−3.16 ^***	−0.27	1.38	−0.49	1.93
Mother completed college or more	−0.86	−1.18 ^*	0.99 ^*	0.82	1.28 ^*	0.94	−3.47 ^***	−2.29 ^**	1.26	2.21	0.72
Mother is employed	−1.66 ^***	−0.24	−0.62 ^*	0.21	0.81	−0.51	−0.26	0.26	−0.48	−0.71	0.44
Two parents (vs. one parent)	0.24	0.66	0.48	−0.40	−1.47 ^*	0.83	−0.49	−0.48	0.35	−0.75	−0.40
Three or more children	0.41	0.52	0.14	−0.46	−0.01	−0.55	−0.41	−0.58	0.21	−1.11	−0.09
Family income to poverty ratio	0.03	−0.11	0.05	0.05	0.05	−0.10	−0.18 ^**	0.04	0.09 ^*	0.04	0.09
Lives in warm state	0.30	−0.61	−0.34	0.15	1.42 ^*	0.40	−0.26	−1.33 ^*	−1.58 ^*	1.83	−1.96 ^*
Interview conducted in fall	0.40	−0.68	−0.10	−0.20	0.05	0.14	−1.62 ^*	−1.30	−0.71	1.14	−0.40
Interview conducted in spring	0.86	−1.88 ^*	−0.24	−1.86 ^**	2.54 ^*	1.59	−0.68	0.18	−0.49	−1.13	−0.68
Year is 1997	1.06	−0.85	−0.85 ^*	−0.18	0.95	1.36	−0.45	−2.35 ^*	−1.61	0.37	−3.64
Weekly hours:
Computer play	−0.19 ^**	−0.18 ^*	−0.04	−0.22 ^*	−0.26 ^*	−0.23	−0.18	−0.11	--	0.36	0.44 ^***
Computer study	−0.49 ^***	−0.41	0.26 ^*	−0.05	−0.21	0.14	−0.56 ^**	−0.14	0.64 ^*	--	0.69 ^*
Computer communications	−0.21 ^**	−0.30 ^**	−0.10	0.15	−0.20	−0.05	0.02	−0.46 ^*	0.20	0.57 ^*	--
Video games	−0.20 ^***	−0.08	−0.16 ^***	−0.12 ^**	0.00	−0.42 ^*	−0.06	--	−0.16 ^*	−0.04	−0.28 ^*
Television	−0.11 ^***	−0.18 ^***	−0.10 ^***	−0.11 ^***	−0.16 ^***	−0.08	--	−0.03	−0.06	−0.28 ^***	−0.01
School	−0.16 ^***	−0.25 ^***	−0.06 ^***	0.08 ^***	−0.10 ^***	−0.05	−0.22 ^***	−0.05	−0.07 ^**	−0.03	−0.01
Constant	13.29 ^***	81.74 ^***	3.26 ^***	1.69 ^†	7.07 ^***	−8.70 ^***	24.95 ^***	−1.82	−2.61 ^†	−12.78 ^**	−7.13 ^**

^***

p<.001,

^**

p<.01,

p<.05,

^†

p<.10

Note: N=2,562. Data are weighted. Robust standard errors computed using Stata.