Self-reported agea | n (% girls) | Average knowledge scoreb (range) |
---|---|---|
8 years | 8 (63%) | 10.03 ± 1.5 (8 to 13) |
9 years | 145 (58%) | 9.91 ± 2.3 (5 to 17) |
10 years | 160 (55%) | 10.39 ± 2.5 (1 to 15) |
11 years | 144 (56%) | 10.89 ± 2.5 (4 to 16) |
12 years | 30 (53%) | 11.01 ± 2.5 (5 to 16) |