S

A-F

P-M

Total sample

55.85 (7.31)

17.01 (6.66)

23.87 (9.51)

Gender

Male

54.27 (7.20)

17.19 (6.79)

24.92 (10.33)

Female

56.35 (7.31)

16.94 (6.64)

23.53 (9.25)

t

−1.51

0.19

0.77

df

151

151

151

Age groups

18 - 25

55.74 (6.26)

17.78 (6.89)

22.78 (8.39)

26 - 35

54.83 (7.17)

17.81 (5.86)

22.64 (9.89)

36 - 45

58.11 (6.78)

15.54 (6.24)

24.08 (7.64)

46 - 55

54.86 (8.95)

16.96 (8.47)

26.06 (10.84)

56 - 65

56.33 (1.15)

13.67 (3.21)

37.33 (8.08)

F

1.27

.91

2.31

df

4/147

4/147

4/147