Table 2.
Socioeconomic characteristics of children, by level of parental education
| Parental education | ||||||
| Full Sample | Less than high school | High school/GED | Some college | College degree | p for difference | |
| Number of children | 3001 | 450 | 733 | 815 | 1003 | |
| Mean (SD) age | 9.57 | 9.62 (0.65) | 9.62 (0.64) | 9.59 (0.6) | 9.5 (0.55) | <.0001 |
| Gender | ||||||
| Boy | 1403 (0.47) | 14.04 | 23.73 | 26.87 | 35.35 | |
| Girl | 1598 (0.53) | 15.83 | 25.03 | 27.41 | 31.73 | 0.1625 |
| Race/Ethnicity | ||||||
| Black | 357 (0.12) | 5.32 | 26.33 | 31.65 | 36.69 | |
| Hispanic | 1490 (0.5) | 25.84 | 31.34 | 23.76 | 19.06 | |
| White / other | 1154 (0.38) | 3.99 | 14.9 | 30.16 | 50.95 | <.0001 |
| Number of kids at home | ||||||
| 1-2 kids | 1417 (0.48) | 9.1 | 21.38 | 29.78 | 39.73 | |
| 3-4 kids | 1280 (0.43) | 18.13 | 27.34 | 24.77 | 29.77 | |
| 5 or more kids | 250 (0.08) | 25.6 | 27.6 | 26.8 | 20 | <.0001 |
| Rural/ Urban classification | ||||||
| Rural | 1524 (0.51) | 14.44 | 24.8 | 27.76 | 33.01 | |
| Suburban | 924 (0.31) | 17.32 | 21.21 | 24.68 | 36.8 | |
| Urban | 553 (0.18) | 12.66 | 28.75 | 29.66 | 28.93 | 0.0005 |
| % socioeconomically disadvantaged | 66.6 | 84.9 | 76.8 | 64.6 | 51.5 | |