TABLE 3.

Regressions: Change in Sleep Problem Score for Each Additional Hour of Media Use

	Model 1	Model 2	Model 3	Model 4	Model 5	Model 6	Model 7
Total time	0.244a	—	—	—	—	—	—
Day time	—	0.107	—	—	—	—	—
Evening time	—	0.819a	—	0.743a	—	—	0.722a
Nonviolent day time	—	—	0.016	0.022	0.007	0.015	0.012
Violent day time	—	—	0.393b	0.398b	—	—	—
Nonviolent evening time	—	—	0.839c	—	—	—	—
Violent evening time	—	—	0.818b	—	—	—	—
Violent day with adult co-use	—	—	—	—	0.377c	—	—
Violent day alone	—	—	—	—	0.457	—	—
Evening with adult co-use	—	—	—	—	0.933b	—	—
Evening without adult	—	—	—	—	0.607c	—	—
Violent day, no bedroom television	—	—	—	—	—	0.299	0.304c
Violent day with bedroom television	—	—	—	—	—	0.796b	0.773b
Evening, no bedroom television	—	—	—	—	—	0.729b	—
Evening with bedroom television	—	—	—	—	—	0.667c	—
Adjusted R2	0.0936	0.1079	0.1141	0.1155	0.1138	0.1157	0.1178

— indicates that the variable was not included in this model iteration.

^aP < .001.

^bP < .01.

^cP < .05.