Table 4 Comparison of mean domain scores between a priori subgroups (n = 1650)

Age

 18—45 yr (n = 447) (ref)

2.83

3.07

3.24

2.79

2.89

2.52

2.59

  ≥ 45 yr (n = 776)

2.83

3.02*

3.06***

2.78

2.88

2.54

2.50***

 Cohen’s d (95% CI)

0.00 (-0.10 -0.10)

0.12 (0.02 -0.21)

0.38 (0.28 -0.47)

0.02 (-0.08 -0.12)

0.03 (-0.07 -0.12)

-0.04 (-0.14 -0.06)

0.19 (0.09 -0.29)

Gender

 Men (n = 467) (ref)

2.82

3.02

3.18

2.78

2.96

2.52

2.55

 Women (n = 1177)

2.83

3.06

3.14

2.79

2.86***

2.53

2.55

 Cohen’s d (95% CI)

0.00 (-0.11 -0.11)

-0.10 (-0.21 – 0.00)

0.10 (-0.01 – 0.21)

-0.02 (-0.13 – 0.09)

0.26 (-0.14 – 0.08)

-0.03 (-0.14 -0.08)

0.00 (-0.10 – 0.11)

Educational level

 Low (n = 58) (ref)

2.72

2.81

2.9

2.98

2.83

2.74

2.66

 Middle (n = 285)

2.85

2.94

3.09**

2.94

2.92

2.71

2.67

 High (n = 1307)

2.83

3.08***

3.17***

2.74**

2.88

2.48***

2.52

 Cohens’ d (low vs middle)

-0.32 (-0.60 –0.04)

-0.34 (-0.62—-0.05)

-0.44(-0.73 –0.16)

0.10 (-0.19 – 0.38)

-0.23 (-0.52 -0.05)

0.05 (-0.23 -0.33)

-0.03 (-0.31 -0.25)

 Cohen’s d (low vs high)

-0.24(-0.50 – 0.02)

-0.67 (-0.93 –0.41)

-0.60(-0.86—0.34)

0.50 (0.24–0.76)

-0.14 (-0.40–0.12)

0.58(0.32–0.84)

-0.28 (0.02–0.55)

Current diagnosis

 Yes (n = 592) (ref)

2.89

3.08

3.18

2.82

2.89

2.60

2.53

 No (n = 1058)

2.79***

3.02**

3.13

2.76*

2.89

2.48***

2.56

 Cohen’s d (95% CI)

0.24 (0.14 -0.34)

0.15 (0.05–0.25)

0.10 (0.00 -0.20)

0.13 (0.02–0.23)

0.01 (-0.09 – 0.11)

0.26 (0.16 -0.36)

-0.07 (-0.17 – 0.03)