Table 2 Sample characteristics of adolescents, adults and older adults included in the test-retest reliability study or the criterion validity study

Numbers (n)

20

22

20

62

33

33

Age (years) [m (SD)]

15.39 (1.36)

40.51 (12.39)

73.59 (5.50)

16.14 (1.10)

47.73 (10.51)

72.16 (4.35)

Male Gender (%)

57.90

45.50

50.00

41.90

36.40

60.60

Family situation

   Traditional (mother & father) (%)

75.00

/

/

71.00

/

/

   Non-traditional (%)

25.00

/

/

29.00

/

/

   Married (%)

/

54.50

85.00

/

66.70

69.70

   Widow/widower (%)

/

-

15.00

/

-

9.10

   Single (%)

/

4.50

-

/

6.10

21.20

   Partner, but living apart (%)

/

9.10

-

/

-

-

   Living with partner (%)

/

31.80

-

/

27.30

-

   Educational level (% tertiary)

/

81.80

75.00

/

63.60

24.20

(Former) occupation

   Household (%)

/

/

20.00

/

/

9.10

   White collar (%)

/

85.70

50.00

/

67.70

42.40

   Blue collar (%)

/

4.80

30.00

/

25.80

48.50

   No occupation (%)

/

9.50

/

/

6.50

/