TABLE 2—
Sample Sociodemographic Characteristics: Early Childhood Longitudinal Study, Kindergarten Class of 1998–1999
| Categorical Variables | No. (n = 5316) | Unweighted % | Weighted % (SE) |
| Girls | 2769 | 52.1 | 51.8 (1.4) |
| Half-day kindergarten enrollment | 2402 | 45.2 | 44.9 (3.0) |
| Race/ethnicity | |||
| Non-Hispanic White | 3680 | 69.2 | 68.4 (2.3) |
| Non-Hispanic Black | 462 | 8.7 | 11.4 (1.5) |
| Hispanic | 592 | 11.1 | 13.3 (1.6) |
| Othera | 582 | 10.9 | 7.0 (1.0) |
| Mother’s education | |||
| Less than high school | 269 | 5.1 | 6.9 (0.8) |
| High school graduate | 1322 | 24.9 | 26.0 (1.1) |
| Some college | 1962 | 36.9 | 37.1 (1.2) |
| College graduate | 1763 | 33.2 | 30.0 (1.5) |
| Family income, $ | |||
| ≤ 25 000 | 791 | 14.9 | 18.0 (1.2) |
| 25 001–50 000 | 1491 | 28.0 | 29.4 (1.2) |
| 50 001–75 000 | 1126 | 21.2 | 20.4 (1.0) |
| > 75 000 | 1908 | 35.9 | 32.2 (1.3) |
Note. Percentages may not add to 100 because of rounding.
aIncludes Asian, Pacific Islander, American Indian, Alaska Native, and more than 1 race (non-Hispanic).