| Year and month of study | |||
---|---|---|---|---|
Characteristics | Baseline | Oct | Mar | Jun |
(Sep 2009) | 2010 | 2011 | 2012 | |
No. of children (n) | 1022 | 1076 | 956 | 407 |
Sex | Â | Â | Â | Â |
Female, n (%) | 555 (54.3%) | 620 (57.6%) | 564 (59.0%) | 212 (52.1%) |
Male, n (%) | 467 (45.7%) | 456 (42.4%) | 392 (41.0%) | 195 (47.9%) |
Age (years) | Â | Â | Â | Â |
Median | 12 | 12 | 12 | 11 |
Mean | 11.6 | 11.7 | 12.4 | 10.8 |
Range | 11 | 11 | 14 | 12 |
No. of children tested in each study school | ||||
Kajiweni | 197 | 206 | 211 | ND |
Maponda | 200 | 221 | 187 | ND |
Miatsani | 226 | 212 | 195 | ND |
Mirihini | 200 | 223 | 214 | 196 |
Mlafyeni | 199 | 214 | 149 | 211 |