Table 1 Sample characteristics

Gender

male

2,128

45.9

female

2,512

54.1

Age (years)

mean

48.4

standard deviation

17.96

range

14 to 92

Age groups

< 25

511

10.9

(years)

25 - 34

620

13.4

35 - 44

895

19.3

45 - 54

811

17.5

55 - 64

734

15.8

65 - 74

718

15.5

> 74

351

7.6

Marital status

married, living together

2,470

53.2

married, living separately

56

1.2

Single

1,127

24.3

Divorced

444

9.6

Widowed

543

11.7

Education

not graduated

49

1.1

Pupil

164

3.5

8^th grade (Hauptschule)

2,018

43.5

10^th grade (Mittlere Reife/Realschule/POS)

1,622

34.9

technical school

135

2.9

12^th/13^th grade (Abitur)

357

7.7

university/college degree

295

6.4

Employment status

full-time (≥ 35 hours)

1,689

36.4

part-time (15–34 hours)

402

8.7

part-time (≤14 hours)

89

1.9

Unemployed

252

5.4

Pensioner

1,385

29.9

unable to work

427

9.2

in professional training

59

1.2

in school-/college education

337

7.3

Household net income ^#

< 750 € per month

177

3.8

(N = 4,413; 95.1%)

750 to 1,250 € per month

793

17.1

1,250 to 2,000 € per month

1,584

34.1

> 2,000 € per month

1,858

40.1