Table 1.
Characteristics of study schools versus all California elementary and middle schools
| Study Schools N=79 |
CA Schoolsa N=7,312 |
P-value | |
|---|---|---|---|
| Enrollment, median (IQR) | 633 (493, 753) | 553 (397, 735) | 0.002b |
| Eligible for FRPM, % (SD) | 70% (18%) | 61% (29%) | 0.006 |
| Race/ethnicity, % (SD) | |||
| Hispanic | 61% (17%) | 52% (30%) | 0.010 |
| Non-Hispanic white | 16% (15%) | 27% (25%) | <0.001 |
| Non-Hispanic Asian | 11% (17%) | 9% (14%) | 0.229 |
| Non-Hispanic black | 7% (8%) | 6% (10%) | 0.454 |
| Students with body composition outside “Healthy Fitness Zone”c, % (SD) | |||
| 5th grade | 49% (24%) | 40% (14%) | <0.001 |
| 7th grade | 58% (28%) | 39% (13%) | <0.001 |
IQR: Interquartile range. FRPM: free or reduced-price meals.
a
Limited to California public schools with at least 2 consecutive grades between grades 3 and 8.
b
From Wilcoxon rank sum test.
c
From CDE statistics on percent of students in 5th and 7th grade in the “Healthy Fitness Zone” for body composition in 2014, which approximates a BMI <85th percentile.49