Group

Total

* Socio-economic status

Control group Number (%)

Case group Number (%)

 

High

7(28)

6(12)

13

Medium

3(12)

14(28)

17

Low

15(60)

30(60)

45

Total

25(100)

50(100)

75

χ2= 4.344; df = 2; p = 0.114
* Kuppuswamy socioeconomic status scale (1981)
Table 2: Distribution of case and control group according to socioeconomic status.