Table 2.
Sample demographics (N=218).
| Characteristic | School 1 | School 2 | School 3 | School 4a | ||||||||||
| Students per group, n (%) | ||||||||||||||
|
|
Curriculum | 21 (48) | 52 (61) | 19 (56) | 37 (67) | |||||||||
|
|
No curriculum | 23 (52) | 33 (39) | 15 (44) | 18 (33) | |||||||||
| Questionnaire completion | ||||||||||||||
|
|
Curriculum | |||||||||||||
|
|
|
Postinstruction completion, n | 21 | 52 | 19 | 37 | ||||||||
|
|
|
Preinstruction completion, N | 25 | 71 | 24 | 48 | ||||||||
|
|
|
Questionnaire completion rate (%) | 84 | 73 | 79 | 77 | ||||||||
|
|
No curriculum | |||||||||||||
|
|
|
Postinstruction completion, n | 23 | 33 | 15 | 18 | ||||||||
|
|
|
Preinstruction completion, N | 28 | 63 | 23 | 66 | ||||||||
|
|
|
Questionnaire completion rate (%) | 82 | 52 | 65 | 27 | ||||||||
| Age (years), mean (SD) | 12.1 (0.4) | 12.2 (0.4) | 12.2 (0.4) | 12.2 (0.4) | ||||||||||
| Gender (female), n (%) | 17 (38.6) | 42 (49.4) | 21 (61.8) | 27 (50.0) | ||||||||||
| Race, n (%) | ||||||||||||||
|
|
White (non-Hispanic) | 24 (54.5) | 47 (55.3) | 20 (58.8) | 32 (58.2) | |||||||||
|
|
Black (non-Hispanic) | 2 (4.5) | 7 (8.2) | 3 (8.8) | 4 (7.3) | |||||||||
|
|
Hispanic | 4 (9.1) | 17 (20.0) | 5 (14.7) | 13 (24.1) | |||||||||
|
|
Other and/or mixed race | 14 (31.8) | 14 (16.5) | 6 (17.6) | 5 (9.1) | |||||||||
aOwing to implementation differences, school 4 was not included in any further analyses.