Table 5 Binary logistic regression model for OBC category

Constant

 − 1.75

0.87

0.17

0.043

Age

 − 0.02

0.02

0.98

0.93

1.02

0.343

Female gender

0.27

0.28

1.31

0.75

2.29

0.337

SSS category: no to minimal^a

 < 0.001

 SSS: low

0.83

0.68

2.28

0.60

8.68

0.226

 SSS: medium

1.70

0.67

5.49

1.47

20.53

0.011

 SSS: high

2.15

0.68

8.59

2.28

32.36

0.001

 SSS: very high

2.05

0.66

7.75

2.13

28.27

0.002