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Table 5 Means, standard deviations and t values in abstinent alcohol-dependent people (“abstainers”) and healthy individuals (“comparison group”) of other factors such as intelligence, attention, depression, anger expression and hostility that may affect decision making, measured with the Iowa Gambling Task

From: Decision making and impulsiveness in abstinent alcohol-dependent people and healthy individuals: a neuropsychological examination

 

Abstainers (n = 40)

Comparison group (n = 40)

 
 

M (SD)

M (SD)

t value

MWT-B

   

IQ – premorbid

114.60(14.82)

109.45(12.58)

1.68

d2

   

Processing speed

62.65(33.77)

84.50(18.66)

3.58**

Rule compliance

62.40(26.72)

51.48(26.27)

−1.84

Quality of performance

67.38(29.88)

81.28(20.55)

2.43*

BDI-II

   

Depression

8.63(8.32)

5.93(5.40)

1.72

STAXI

   

State anger

1.25(0.41)

1.14(0.37)

1.27

Trait anger

1.90(0.51)

1.86(0.48)

0.38

BDHI – Factors

   

Assault

0.34 (0.21)

0.29 (0.24)

1.01

Indirect hostility

0.42 (0.27)

0.48 (0.22)

−1.20

Irritability

0.43 (0.27)

0.45 (0.29)

−0.30

Negativism

0.51 (0.29)

0.45 (0.32)

0.89

Resentment

0.26 (0.25)

0.18 (0.20)

1.60

Suspicion

0.38 (0.25)

0.26 (0.23)

2.21*

Verbal hostility

0.46 (0.17)

0.44 (0.20)

0.51

Guilt

0.43 (0.21)

0.33 (0.20)

2.36*

  1. M mean; SD standard deviation
  2. MWT-B multiple-choice word test, BDI-II Beck Depression Inventory II, STAXI State-Trait Anger Expression Inventory, BDHI Buss-Durkee Hostility Inventory
  3. p > .05; * p <. 05; ** p < .01