Table 1.

Child age.

Child age	N	%
1–12 months	24	4.4
1 year	30	5.5
2 years	22	4.1
3 years	30	4.4
4 years	33	6.1
5 years	32	5.9
6 years	22	4.1
7 years	43	7.9
8 years	34	6.3
9 years	20	3.7
10 years	33	6.1
11 years	37	6.8
12 years	39	7.2
13 years	34	6.3
14 years	32	5.9
15 years	25	4.6
16 years	31	5.7
17 years	22	4.1
Total	543	100
Age missing	39	6.7