From: Agricultural chemical exposures and birth defects in the Eastern Cape Province, South Africa A case – control study
Age groups
Cases
Controls
Nr
%
14 – 19
9
10.1
15
8.4
20 – 24
16
17.9
46
25.8
25 – 29
17
19.1
42
23.5
30 – 34
22
24.8
34
19.6
35 – 39
6
6.7
27
15.1
40 – 44
7
7.8
5.1
45 +
2
2.2
4
2.3
No date of birth
10
11.2
1
0.5