Table 2. Baseline characteristics of 626 participants in the GREEN Project Lunch Box Study.
| Mean (sd) age, years | 9.1 (0.6) | |
| n | % | |
| Grade | ||
| 3rd grade | 333 | 53% |
| 4th grade | 293 | 47% |
| Sex | ||
| Male | 262 | 42% |
| Female | 364 | 58% |
| Race/Ethnicity a | ||
| Non-Hispanic white | 453 | 73% |
| Hispanic | 90 | 14% |
| Black/African American | 21 | 3% |
| Multiracial/Other | 48 | 8% |
| Income a | ||
| ≤ $30,000 | 116 | 19% |
| $30,001-$50,000 | 88 | 14% |
| $50,001-$70,000 | 85 | 13% |
| >$70,000 | 258 | 41% |
| Maternal Education a | ||
| Less than high school education | 19 | 3% |
| High school graduate or equivalent | 74 | 12% |
| 2-year college degree | 208 | 33% |
| 4-year college degree | 163 | 26% |
| Advanced degree | 144 | 23% |
a
sample sizes vary slightly due to missing data