Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Subjects returning usable data at pre-test, follow-up, or both, by sex and group (N = 1070)
| n (%) | Sex | n (%) | |
|---|---|---|---|
| Intervention group |
520 (48.6) |
Girls |
235 (45.2) |
| Boys |
285 (54.8) |
||
| Control group |
550 (51.4) |
Girls |
258 (46.9) |
| Boys |
292 (53.1) |
||
| Total sample | 1070 (100.0) | Girls |
493 (46.1) |
| Boys | 577 (53.9) |
