Table 4

Logistic regression analysis for dropouts (enter method)

MeasureBStandard errorWaldDegrees of freedomp valueOR (95% CI)
TCI-R subscale
 Exploratory excitability0.2930.1722.90510.091.341 (0.957–1.879)
 Impulsiveness0.3460.1714.08910.0431.413 (1.011–1.977)
 Extravagance−0.0100.0920.01210.910.990 (0.827–1.185)
 Disorderliness−0.3750.1615.43210.0200.688 (0.502–0.942)
COWAT0.9430.6791.92910.162.569 (0.678–9.726)
SCWT interference−0.0810.1000.66110.420.922 (0.758–1.121)
BDS0.0250.1090.05210.821.025 (0.828–1.270)
BBS−0.0570.0481.38310.240.945 (0.860–1.039)
TMT B-A difference0.0320.0540.34210.561.032 (0.929–1.147)
WCST categories< 0.0010.0120.00110.971.000 (0.977–1.025)
WCST % pers. errors−0.4530.3431.74410.190.636 (0.325–1.245)
WCST % nonpers. errors−0.6150.3044.08410.0430.541 (0.298–0.982)
IGT-ABCD net score−0.0250.0201.54910.210.976 (0.939–1.014)
IGT-EFGH net score−0.0390.0213.49910.060.962 (0.924–1.002)
Constant−4.6278.0220.33310.560.010 —
  • BBS = Backward Blocks Span;52 BDS = Backward Digits Span;50 CI = confidence interval; COWAT = Controlled Oral Word Association Test;47 IGT = Iowa Gambling Task;17 nonpers. = nonperseverative; OR = odds ratio; pers. = perseverative; SCWT = Stroop Colours and Words Test;44 TCI-R = Temperament and Character Inventory-Revised;31,42 TMT = Trail Making Test;46 WCST = Wisconsin Card Sorting Test.43