Table 3 Personality trait T scores of baseline responders on the Swedish universities Scales of Personality (n = 1294)

 Somatic Trait Anxiety

49.6 ± 9.5

63.1 ± 9.4^a

<0.001

54.8 ± 9.4

<0.001

 Psychic Trait Anxiety

47.9 ± 9.7

58.8 ± 9.8 ^a

<0.001

52.1 ± 9.4

<0.001

 Stress Susceptibility

51.0 ± 10.7

62.4 ± 11.3 ^a

<0.001

55.3 ± 11.1

<0.001

 Lack of Assertiveness

49.5 ± 9.7

53.3 ± 11.5

0.002

50.9 ± 10.4

ns

 Embitterment

51.1 ± 10.7

70.2 ± 12.7 ^a

<0.001

58.4 ± 11.1

<0.001

 Mistrust

49.4 ± 11.6

64.3 ± 11.5 ^a

<0.001

55.1 ± 12.1

<0.001

 Social Desirability (negative loading)

49.9 ± 10.1

47.8 ± 12.5

ns

49.1 ± 10.5

ns

 Trait Irritability

50.6 ± 11.4

58.6 ± 11.6 ^a

<0.001

54.1 ± 10.9

<0.001

 Verbal Trait Aggression

51.3 ± 10.3

56.1 ± 11.0

<0.001

53.4 ± 10.5

ns

 Physical Trait Aggression

48.1 ± 10.6

53.8 ± 12.3

<0.001

50.8 ± 11.8

0.001

 Impulsiveness

51.9 ± 9.8

56.2 ± 11.6

<0.001

55.3 ± 10.4

<0.001

 Adventure Seeking

52.1 ± 9.1

53.0 ± 10.9

ns

53.7 ± 9.1

ns

 Detachment (negative loading)

47.6 ± 9.1

52.4 ± 9.9^a

<0.001

48.5 ± 9.8

ns

Neuroticism factor

299 ± 48

372 ± 46^a

<0.001

327 ± 47

<0.001

Aggressiveness factor

100 ± 33

121 ± 37

<0.001

109 ± 34

<0.001

Extraversion factor

56 ± 19

57 ± 23

ns

61 ± 20

ns