Sample Sizes and Characteristics
| Sample | ||||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | F | |
| Size | 180 | 371 | 135 | 138 | 410 | 141 |
| Grade(s) | 4-5 | 6-7-8 | 8 | 8 | 8 | 12 |
| Gender: girls/boysa | 83/88 | 61/56 | 68/63 | 85/50 | 213/197 | 94/43 |
| Region | NE | NE | NE | South | NE | NE |
| Location | Urban | Urbanb | Urbanb | Urban | Urban/suburban | Urban/suburban |
| Free lunch | 89% | 31%c | 45%c | 27% | n/ad | n/a |
| Race/Ethnicity | ||||||
| White | 11% | 32% | 40% | 36% | 62% | 59% |
| Black | 53% | 29% | 23% | 60% | 6% | - |
| Hispanic | 31% | 15% | 12% | 2% | 4% | - |
| Other | 5% | 24%e | 25%e | 2% | 28%f | 41%f |
| A | B | C | D | E | F | |
|---|---|---|---|---|---|---|
| Size | 180 | 371 | 135 | 138 | 410 | 141 |
| Grade(s) | 4-5 | 6-7-8 | 8 | 8 | 8 | 12 |
| Gender: girls/boys | 83/88 | 61/56 | 68/63 | 85/50 | 213/197 | 94/43 |
| Region | NE | NE | NE | South | NE | NE |
| Location | Urban | Urban | Urban | Urban | Urban/suburban | Urban/suburban |
| Free lunch | 89% | 31% | 45% | 27% | n/a | n/a |
| Race/Ethnicity | ||||||
| White | 11% | 32% | 40% | 36% | 62% | 59% |
| Black | 53% | 29% | 23% | 60% | 6% | - |
| Hispanic | 31% | 15% | 12% | 2% | 4% | - |
| Other | 5% | 24% | 25% | 2% | 28% | 41% |
The demographics for each longitudinal sample is for the first time point.
aGender was missing for 21 subjects.
bSame school system;
cIn grade 6, 22% of students indicated “I don't know” whether they received free lunch, whereas only 7% of grade 8 students didn't know.
dn/a = not available.
eBiracial, other, don't know.
fIncludes Black, Hispanic, and other.
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