4

Area of living

a) Urban

25

20

0.23

NS

b) Rural

16

19

5

Monthly income (in rupees)

a) ≤3000

7

15

b) 3001 - 6000

31

13

5.23

NS

c) 6001 - 10,000

3

11

d) ≥10,001

-

6

Educational status

a) No formal education

2

8

b) Primary education

9

14

c) High school

20

10

0.23

NS

d) PUC/Diploma

0

7

e) Graduation

-

-

7

Marital status

a) Single

13

20

1.76

NS

b) Married

28

19

c) Married and separately living

-

-

d) Divorced

-

-

e) Widow/widower

-

-

8

Years of experience

a) 0 - 3

10

13

b) 3.1 - 6

16

13

0.46

NS

c) 6.1 - 9

9

11

d) Above 9

6

2

9

Number of working hours per day

a) 8

32

16

b) 10

12

13

c) 12

6

10

1.15

NS

d) Above 12

10

Number of night shifts per week

a) 2

22

18

b) 3

17

12

0.35

NS

c) 4

2

9

d) Above 4

-

-

11

Any previous history of illness

a) Yes

5

20

2.77

NS

b) No

36

19