TABLE 1.
Selected Characteristics of 1864 Project Viva Participants
| Overall | Lifetime Average TV Viewing <2 h per Daya (N = 1507; 81%) | Lifetime Average TV Viewing ≥2 h per Day (N = 357; 19%) | |
|---|---|---|---|
| Maternal characteristics | |||
| Age at enrollment, mean (SD), y | 32.1 (5.1) | 32.4 (4.9) | 30.7 (5.8) |
| Prepregnancy BMI, mean (SD) | 24.9 (5.5) | 24.6 (5.2) | 26.0 (6.2) |
| Educational attainment, N (%) | |||
| College graduate or higher | 1254 (68) | 1083 (71) | 171 (51) |
| Nulliparous, N (%) | |||
| Yes | 896 (48) | 734 (48) | 162 (49) |
| Household income, N (%) | |||
| >$70 000 | 1064 (63) | 931 (67) | 133 (47) |
| Married or cohabitating, N (%) | |||
| Yes | 1710 (92) | 1434 (94) | 276 (83) |
| Child characteristics, N (%) | |||
| Gender | |||
| Boy | 958 (51) | 786 (51) | 172 (52) |
| Race/ethnicity | |||
| White | 1215 (65) | 1041 (68) | 174 (52) |
| Black | 288 (16) | 199 (13) | 89 (27) |
| Latino | 102 (5) | 76 (5) | 26 (8 |
| Asian | 76 (4) | 66 (4) | 10 (3) |
| Other | 177 (10) | 142 (9) | 35 (10) |
| Bedroom TV any time between 4- and 7-y assessments | 397 (28) | 245 (21) | 152 (54) |
a
Lifetime average TV viewing is calculated as the subject-specific mean TV viewing averaged over all measurement occasions from infancy to midchildhood.