Characteristic | Intervention school (n = 105) | Control schools (n = 81) | p-valuea |
---|---|---|---|
Age (yrs), median (range) | 13 (8--20) | 12 (8-21) | 0.132b |
Sex, male/female | 59/46 | 44/37 | 0.799 |
Grade: n (%) | Â | Â | 0.598 |
   3rd | 35 (33.3) | 31 (38.3) |  |
   4th | 37 (35.2) | 23 (28.4) |  |
   5th | 33 (31.4) | 27 (33.3) |  |