Table 1 Descriptive statistics (sample n = 1907)

Age

67.67

5.51

Gender

 Male

1026

53.8

2.03 ± 0.51

0.303

12.84 ± 4.20

 < 0.01

 Female

881

46.2

2.05 ± 0.53

14.58 ± 4.51

Marriage

 Unmarried

23

1.2

1.99 ± 0.48

0.512

15.96 ± 4.73

 < 0.01

 Married

1653

86.7

2.04 ± 0.52

13.41 ± 4.35

 Divorced

21

1.1

2.05 ± 0.62

14.48 ± 5.32

 Widowed

210

11.0

1.99 ± 0.48

15.15 ± 4.62

Residence

 Rural

1099

57.6

2.01 ± 0.48

0.013

14.19 ± 4.50

 < 0.01

 Urban

808

42.4

2.07 ± 0.56

12.89 ± 4.22

CSS

2.04

0.52

ASS

2.19

0.75

SWB

7.73

2.12

DL

13.64

4.43