Frequency (N = 422)

Percentage (100.0%)

Age group/months

≤12

93

22.0

13 - 24

95

22.5

25 - 36

72

17.1

>36

162

38.4

Mean age ± SD

30.04 ± 16.88 months

Sex

Male

220

52.1

Female

202

47.9

Social class

1

44

10.43

11

88

20.88

111

137

32.46

IV

87

20.62

V

66

15.64