Table 1.
Study subject characteristics by National School Lunch Program (NSLP) participation (n 9172)
| NSLP participants* (n 7454) | Non-participants* (n 1718) | |||
|---|---|---|---|---|
| Weighted % | se | Weighted % | se | |
| Age | ||||
| Mean | 12·0 | 13·8 | ||
| se | 0·1 | 0·1 | ||
| Males | 54·0 | 0·8 | 45·5 | 1·5 |
| K-12 school level | ||||
| Elementary | 52·0 | 0·9 | 31·4 | 1·6 |
| Middle | 27·7 | 0·6 | 24·1 | 1·5 |
| High | 20·3 | 0·7 | 44·5 | 1·8 |
| Born in USA | 93·1 | 0·5 | 94·8 | 0·6 |
| Race/ethnicity | ||||
| Non-Hispanic White | 47·3 | 2·3 | 70·3 | 1·7 |
| Non-Hispanic Black | 18·4 | 1·4 | 8·5 | 0·8 |
| Hispanic | 26·7 | 1·9 | 11·8 | 1·0 |
| Other race | 7·6 | 0·6 | 9·4 | 0·9 |
| Sedentary activity | ||||
| Daily total screen time (h) | ||||
| Mean | 3·2 | 3·2 | ||
| se | <0·1 | 0·1 | ||
| Family income† | ||||
| <130 % FPL | 41·9 | 1·5 | 12·5 | 1·0 |
| 130–185 % FPL | 13·6 | 0·7 | 8·7 | 1·0 |
| >185 % FPL | 44·6 | 1·6 | 78·8 | 1·3 |
| Family reference person | ||||
| Born in USA | 75·5 | 1·4 | 83·4 | 1·1 |
| Married or living with partner | 71·8 | 0·9 | 80·7 | 1·3 |
| College graduate or higher (reference person or spouse) | 23·7 | 1·3 | 50·7 | 2·1 |
FPL, federal poverty level.
*
NSLP participants were those who reported eating school lunch 5 d/week, and non-participants were those who reported eating no school lunches in a week.
†
Family income is expressed as a percentage of the FPL.