Table 1 Socio-demographic characteristics of the participants and prevalence of clinically depressive symptoms (CES-D ≥ 22) and the level of SRH

Age

 23–34

25,4 (80)

31.2

4.942

2

0.085

38.8

0.406

2

0.816

 35–44

51,7 (163)

43.6

40.5

 45–59

22,9 (72)

47.9

36.1

Educational level

 Junior high school

7,9 (25)

60.0

4.33

3

0.228

52

12.02

3

0.007

 High school

32,4 (102)

37.6

48

 Higher education

23.5 (74)

39.2

40.5

 University

36.2 (114)

42.1

27.2

Single family status

 Separated

9,5 (30)

56.7

13.39

3

0.004

43.3

1.921

3

0.589

 Widow

9,2 (29)

67.9

44.8

 Divorced

73,1 (231)

36.4

39

 Unmarried

7,9 (25)

40.0

28

How long as single mother

  < 2 years

20.5 (65)

37.5

0.695

2

0.707

46.2

2.110

2

0.348

 2–4 years

33 (103)

40.8

35.0

 5 or more years

46.5 (147)

43.5

38.8

Children age < 12 years old

 Yes

64.9 (204)

37.3

4.416

1

0.036

40.2

0.256

1

0.613

 No

35.1 (109)

49.2

37.3

Employment status

 Economically inactive

8.2 (26)

53.8

5.99

3

0.112

57.7

8.818

3

0.032

 Unemployed

7.6 (24)

20.8

37.5

 Working part-time

10.4 (33)

39.4

54.5

 Working full-time

73.4 (232)

42.4

34.9

Monthly family income

  > 1000

27.8 (88)

42.0

4.77

5

0.444

54.5

16.16

5

0.006

 1000–1499

27.2 (86)

36.0

38.4

 1500–1999

18.0 (57)

39.3

33.3

 2000–2499

10.1 (32)

37.5

34.4

 2500–3499

12.0 (38)

55.3

26.3

  ≥ 3500

4.4 (14)

50.0

14.3

Member of SMA

 No

56.8 (179)

43.0

0.522

1

0.490

36.3

1.184

1

0.296

 Yes

43.2 (136)

39.0

42.3

Single mothers’ allowance recipient

 Yes

58.9 (186)

38.9

1.14

1

0.285

43.5

3.866

1

0.049

 No

40.8 (129)

45.0

32.6

Financial child support from the father

 Yes

51.9 (163)

34.4

6.93

1

0.008

38

0.145

1

0.703

 No

48.1 (152)

49.0

40.1

Economic hardship during the last 12 months

 Yes

79.7 (252)

44.2

4.44

1

0.035

44

13.73

1

<0.001

 No

20.3 (64)

29.7

18.8

Limiting-long standing illness

 Yes

49.4 (156)

57.4

32.83

1

<0.001

52.6

24.12

1

<0.001

 No

50.6 (160)

25.6

25.6

Physical activity

 Yes

30.8 (97)

30.9

6.185

1

0.013

30.6

4.128

1

0.042

 No

69.2 (218)

45.9

42.7

Smoking habit

 Yes

39.4 (124)

41.1

0.002

1

0.967

37.1

0.287

1

0.637

 No

60.6 (191)

41.1

40.1

Alcohol consumption

Yes

30.8 (97)

41.2

0.001

1

0.994

36.1

0.475

1

0.491

No

69.2 (218)

41.3

40.2