Table 1.
Frequency of Key Sample Characteristics by Exposure Group (n=2,257)
| Characteristic | Intervention, n (%) (n=1,101) | Comparison, n (%) (n=1,156) | p-value |
|---|---|---|---|
| Gender | 0.119 | ||
| Girls | 584 (53.0) | 575 (49.7) | |
| Boys | 500 (45.4) | 562 (48.6) | |
| Missing | 17 (1.5) | 19 (1.6) | |
| Grade | 0.031 | ||
| 4th | 237 (21.5) | 278 (24.0) | |
| 5th | 310 (28.2) | 264 (22.8) | |
| 6th/7th | 325 (29.5) | 367 (31.8) | |
| 8th | 229 (20.8) | 247 (21.4) | |
| Language | 0.998 | ||
| English | 882 (80.1) | 926 (80.1) | |
| Spanish | 219 (19.9) | 230 (19.9) | |
| Letter grades | 0.343 | ||
| Mostly A’s | 309 (28.1) | 328 (28.4) | |
| Mostly B’s | 462 (41.9) | 449 (38.8) | |
| Mostly C’s | 129 (11.7) | 131 (11.3) | |
| Mostly D’s | 29 (2.6) | 32 (2.8) | |
| Mostly F’s | 13 (1.2) | 23 (2.0) | |
| Missing | 159 (14.4) | 193 (16.7) | |
| Ethnicity | 0.387 | ||
| Hispanic/Latino | 820 (74.5) | 836 (72.3) | |
| Non-Hispanic white | 94 (8.5) | 133 (8.6) | |
| African American | 25 (2.3) | 45 (3.9) | |
| American Indian | 14 (1.3) | 16 (1.4) | |
| Other | 96 (8.7) | 103 (8.9) | |
| Missing | 52 (4.7) | 56 (4.8) |
Note: Boldface indicates statistical significance (p<0.05).