Table 1 Sociodemographic characteristics of study participants and Chi-square test results; n = 1707

Total

100% (n = 1707)

46.5% (n = 794)

39.3% (n = 670)

14.2% (n = 243)

Gender

Male

46.9% (n = 801)

39.9% (n = 317)

47.0% (n = 315)

69.5% (n = 169)

X²(4) = 65.56,

p = < 0.001

Female

53.1% (n = 906)

60.1% (n = 477)

53.0% (n = 355)

30.5% (n = 77)

0.196

Age (years)

18–29

14.6% (n = 250)

17.4% (n = 138)

13.6% (n = 91)

8.6% (n = 21)

X²(8) = 52.95,

p = < 0.001

30–59

48.6% (n = 829)

52.5% (n = 417)

48.4% (n = 324)

36.2% (n = 88)

0.125

60 +

36.8% (n = 628)

30.1% (n = 239)

38.1% (n = 255)

55.1% (n = 134)

Education (years)

< 12 years

49.6% (n = 847)

44.1% (n = 350)

52.2% (n = 350)

60.5% (n = 147)

X²(4) = 65.56,

p = < 0.001

>= 12 years

50.4% (n = 860)

55.9% (n = 444)

47.8% (n = 320)

39.5% (n = 96)

0.116

Occupation

Unemployed

37.1% (n = 633)

29.7% (n = 236)

40.0% (n = 268)

53.1% (n = 129)

X²(4) = 47.55,

p = < 0.001

Employed

62.9% (n = 1074)

70.3% (n = 558)

60.0% (n = 402)

46.9% (n = 114)

0.167

Children in household

Yes

19.4% (n = 331)

25.7% (n = 204)

14.9% (n = 100)

11.1% (n = 27)

X²(4) = 39.38,

p = < 0.001

No

80.6% (n = 1376)

74.3% (n = 590)

85.1% (n = 570)

88.9% (n = 216)

0.152

Federal State

East

15.9% (n = 271)

16.9% (n = 134)

12.5% (n = 84)

21.8% (n = 53)

X²(2) = 12.60,

p = 0.002

West

84.1% (n = 1436)

83.1% (n = 660)

87.5% (n = 586)

78.2% (n = 190)

0.086