Table 2: Correlations among study variables stratified by lower (below the diagonal) and higher educational level (above the diagonal).

1 2 3 4 5 6 7 8 9
Mean 45.88 5.71 6.45 6.08 6.07 7.45 20.11
SD 11.44 2.85 1.62 1.73 1.99 1.92 5.46
Sex (1) .06 -.32** .03 -.04 .07 .12 -.12 .17
Income (2) -.05 .03 .16 -.01 -.11 -.16 -.02 -.01
Age (3) -.12 .33** -.06 .002 -.06 -.03 -.02 -.11
Extraversion (4) .06 -.03 -.05 -.15 -.09 -.21* -.31** .13
Agreeableness (5) -.01 .09 -.08 -.06 .23* .44** .20** .02
Conscientiousness (6) -.06 .07 .05 .09 .02 .33** .13 -.04
Neuroticism (7) -.01 -.04 -.23** .06 .17* .21** .22* .06
Openness (8) .01 .05 -.11 -.07 -.03 .12 .32** -.11
Psychological distress (9) .03 .02 -.24** -.02 .15 -.02 .28** .03

Sex (0 = male, 1 = male); Income (0 = lower income, higher income). **p < .01; *p < .05