Parameters

Np = 152

n (%)

NT = 264

n (%)

x2

p value

Age group (years)

≤20

21 - 30

31 - 40

41 - 50

51 - 60

>60

2 (1.3)

13 (8.6)

21 (13.8)

39 (25.7)

38 (25.0)

39 (25.7)

2 (0.8)

15 (5.7)

27 (10.2)

65 (24.6)

78 (29.5)

77 (29.2)

21.889

0.009**

Sex

Male

Female

79 (52.0)

73 (48.0)

139 (52.7)

125 (47.3)

3.001

0.987

Occupation

Skilled

Unskilled

Dependants

86 (56.6)

34 (22.4)

32 (21.1)

154 (58.3)

57 (21.6)

53 (20.1)

2.891

0.542

Education

Nil

Primary

Secondary

Tertiary

5 (3.3)

6 (3.9)

23 (15.1)

118 (77.6)

14 (5.3)

13 (4.9)

49 (18.6)

188 (71.2)

14.003

0.023**