TABLE 1.
Study Sample
| Intervention, N = 276 | Control, N = 289 | |
|---|---|---|
| Child demographics | ||
| Female gender, % | 45 | 46 |
| Age, mo, mean (SD) | 50.9 (7.7) | 51.6 (7.7) |
| Race/ethnicity (not mutually exclusive), % | ||
| White | 82 | 81 |
| Black | 8 | 8 |
| Hispanic | 6 | 7 |
| Asian/Pacific Islander | 14 | 18 |
| Native American | 3 | 3 |
| Family demographics, % | ||
| Low-income | 18 | 13 |
| One-adult household | 7 | 5 |
| Older sibling(s)a | 34 | 43 |
| Respondent is mother | 88 | 88 |
| Parent education, % | ||
| High school or less | 19 | 18 |
| College degree | 45 | 44 |
| Graduate or professional degree | 36 | 38 |
| Child baseline media use | ||
| Television in bedroom, % | 8 | 8 |
| Average daily total use, min | 73.9 (50.9) | 70.4 (48.5) |
| Average evening use, min | 13.7 (16.1) | 13.7 (18.0) |
| Average daily violent content, min | 22.1 (25.8) | 22.9 (31.0) |
| Child baseline sleep, % | ||
| Any sleep problem | 42 | 39 |
a
P < .05 for difference between groups.