Table 3.
Baseline demographic characteristics of the intervention group (N = 752)
| Demographic Variables | Year 1 | Year 2 | Year 3 | Total |
|---|---|---|---|---|
| Age | ||||
| Mean ± SD | 11.74 ± 0.75 | 12.68 ± 0.91 | 11.76 ± 1.00 | 12.05 ± 0.99 |
| Min.-Max. | (10–14) | (11–15) | (10–15) | (10–15) |
| Grade n (%) | ||||
| 5th | 34 (13.2 %) | - | 73 (29.1 %) | 107 (14.2 %) |
| 6th | 146 (56.8 %) | 59 (24.2 %) | 81 (32.3 %) | 286 (38.0 %) |
| 7th | 77 (30.0 %) | 128 (52.4 %) | 97 (38.6 %) | 302 (40.2 %) |
| 8th | - | 57 (23.4 %) | - | 57 (7.6 %) |
| Race n (%) | ||||
| African American | 142 (55.3 %) | 99 (40.6 %) | 98 (39.0 %) | 339 (45.1 %) |
| White | 64 (24.9 %) | 84 (34.4 %) | 66 (26.3 %) | 214 (28.4 %) |
| Mixed and other races | 51 (19.8 %) | 61 (25.0 %) | 87 (34.7 %) | 199 (26.5 %) |
| Ethnicity n (%) | ||||
| Hispanic or Latino | 28 (10.9 %) | 32 (13.1 %) | 51 (20.3 %) | 111 (14.8 %) |
| Not Hispanic or Latino | 215 (83.7 %) | 198 (81.2 %) | 189 (75.3 %) | 602 (80.0 %) |
| Missing | 14 (5.4 %) | 14 (5.7 %) | 11 (4.4 %) | 39 (5.2 %) |
| Free/Reduced Lunch n (%) | ||||
| Yes | 188 (73.2 %) | 196 (80.3 %) | 192 (76.5 %) | 576 (76.6 %) |
| No | 51 (19.8 %) | 24 (9.8 %) | 38 (15.1 %) | 113 (15.0 %) |
| Missing | 18 (7.0 %) | 24 (9.9 %) | 21 (8.4 %) | 63 (8.4 %) |
SD Standard deviation