Table 1 Group comparisons (demographic and clinical data)

Demographic data

 N = 82

n = 46

n = 36

 Sex (f:m)

26:20

18:18

0.38^a

 Age, years (SD)

46.8 (11.8)

44.8 (11.7)

0.84^b

 Age, females (SD)

45.7 (10.7)

45.4 (13.3)

0.11^b

 Age, males (SD)

48.2 (13.3)

44.1 (9.8)

1.18^b

 Age groups

6 groups ranging from 18 to 70 years of age

2.74^a

 Educational level

11 categories ranging from ‘no degree’ to ‘university degree’

17.3^a

 Marital status

4 categories (single, married, divorced, widowed)

577^a

Clinical data

 Intelligence, MWT-B, raw data (SD)

29.1 (14.8)

28.1 (4.8)

0.50^b

 Intelligence, females (SD)

30.3 (9.0)

27.7 (4.7)

0.77^b

 Intelligence, males (SD)

27.5 (4.8)

28.5 (5.0)

−0.70^b

 Axis-I disorders (SD)

1.7 (0.8)

1.5 (0.7)

0.18^b

 Axis-I disorders, females (SD)

1.8 (0.9)

1.4 (0.6)

1.62^b

 Axis-I disorders, males (SD)

1.3 (0.6)

1.7 (0.8)

−1.74^b

 Axis-II disorders (SD)

0.2 (0.4)

0.1 (0.3)

0.60^b

 Axis-II disorders, females (SD)

0.2 (0.4)

0.1 (0.3)

0.22^b

 Axis-II disorders, males (SD)

0.2 (0.4)

0.1 (0.3)

0.64^b

 Number of psychoactive drugs (SD)

2.6 (1.4)

2.4 (1.3)

0.63^b

 Number of psychoactive drugs, females (SD)

2.6 (1.3)

2.0 (0.8)

2.40^b

 Number of psychoactive drugs, males (SD)

2.4 (1.4)

2.9 (1.8)

−0.99^b

 Number of antidepressants (SD)

1.8 (1.0)

1.7 (0.8)

0.20^b

 Number of antidepressants, females (SD)

1.8 (0.8)

1.6 (0.8)

1.02^b

 Number of antidepressants, males (SD)

1.7 (1.2)

1.9 (0.72)

−0.64^b