Table 1 Characteristics of schools and schoolgirls participating in an MSRH pilot study in Mwanza, Tanzania
| Â | Survey | |
|---|---|---|
Baseline | 12-month follow up | |
N | 486 | 396 |
School | Â | Â |
 School 1 | 133 (27.4%) | 110 (27.8%) |
 School 2 | 97 (20.0%) | 75 (18.9%) |
 School 3 | 78 (16.0%) | 63 (15.9%) |
 School 4 | 178 (36.6%) | 148 (37.4%) |
Location of School | Â | Â |
 Urban | 311 (64.0%) | 258 (65.2%) |
 Rural | 175 (36.0%) | 138 (34.8%) |
Mean age in years (SD) | 15.6 (1.3) | 16. 8 (1.0) |
Current year of study | Â | Â |
 Form two | 261 (53.7%) | 0 (0.0%) |
 Form three | 225 (46.3%) | 184 (46.5%) |
 Form four | 0 (0.0%) | 212 (53.5%) |
What is your religious affiliation? | Â | Â |
 Christian | 390 (80.6%) | 324 (81.8%) |
 Muslim | 93 (19.2%) | 71 (17.9%) |
 Other (Specify) | 1 (0.2%) | 1 (0.3%) |
Have you started your periods? | Â | Â |
 No | 55 (11.3%) | 8 (2.0%) |
 Yes | 424 (87.4%) | 387 (98.0%) |
 Not sure | 6 (1.2%) | 0 (0.0%) |
Mean age at menarche in years (SD) | 14.2 (1.1) | 14.5 (1.1) |