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. 2013 Mar 16;13:15. doi: 10.1186/1472-6831-13-15

Table 1.

The frequency distribution of age and sex of the study children (n = 1041)

Age (years) Boys Girls All
4
 42
 44
 86
5
 55
 53
 108
6
 52
 72
 124
7
 34
 44
 78
8
 32
 44
 76
9
 49
 46
 95
10
 53
 52
 105
11
 71
 46
 117
12
 57
 67
 124
13
 47
 38
 85
14
 22
 10
 32
15
 6
 5
 11
All 520 521 1041