Table 2.
Comparison of summative survey participant characteristics by study condition.
| Baseline Survey | Followup Survey | |||||
|---|---|---|---|---|---|---|
| Characteristic | Comparison (n=10412) | Intervention (n=9544) | p | Comparison (n=11385) | Intervention (n=11860) | p |
| n (%) | n (%) | n (%) | n (%) | |||
| Grade in school | ||||||
| 7 | 1401 (13.5) | 1814 (19.0) | 0.56 | 2616 (23.0) | 2498 (21.1) | 0.55 |
| 8 | 2363 (22.7) | 2071 (21.7) | 2544 (22.3) | 2390 (20.2) | ||
| 9 | 2126 (20.4) | 2211 (23.2) | 1959 (17.3) | 2695 (22.8) | ||
| 10 | 1982 (19.0) | 1777 (18.6) | 1797 (15.8) | 1876 (15.8) | ||
| 11 | 1542 (14.8) | 905 (9.5) | 1322 (11.6) | 1138 (9.6) | ||
| 12 | 998 (9.6) | 765 (8.0) | 1137 (10.0) | 1243 (10.5) | ||
| Gender | ||||||
| Male | 4765 (45.9) | 4391 (46.2) | 0.77 | 5345 (47.1) | 5652 (47.9) | 0.56 |
| Female | 5612 (54.1) | 5114 (53.8) | 6008 (52.9) | 6140 (52.1) | ||
| Race/ethnicity | ||||||
| African-American | 2460 (23.6) | 2177 (22.8) | 0.07 | 3056 (26.8) | 2869 (24.2) | 0.56 |
| Hispanic/Latino | 1371 (13.2) | 1350 (14.1) | 1647 (14.5) | 1765 (14.8) | ||
| Non-Hispanic Caucasian | 6074 (58.3) | 5462 (57.2) | 6117 (53.7) | 6313 (53.2) | ||
| Other, unknown,>1 race/ethnicity | 507 (4.9) | 555 (5.8) | 565 (10.0) | 913 (7.7) | ||