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International Journal of Bipolar Disorders

Table 2 Neurocognitive assessment for all participants

From: Executive functioning but not IQ or illness severity predicts occupational status in bipolar disorder

  

Active

Inactive

Statistics F

d.f.

p-value

η2

WAIS-III

       

 Full scale IQ

 

109.0 (1.6)

101.3 (2.6)

6.311

1

0.014

0.06

 Premorbid IQ (vocabulary)

 

11.8 (0.3)

10.9 (0.4)

3.086

1

0.082

–

D-KEFS

       

 Principal component (PC)

       

Test included in PC1

Loading on PC1 (P1)

      

 Color word 3

0.325713

10.3 (0.3)

7.6 (0.6)

16.225

1

< 0.001

0.14

 Color word 4

0.326118

10.0 (0.3)

8.4 (0.6)

6.057

1

0.016

0.06

 Verbal fluency 2

0.340796

13.0 (0.5)

10.9 (0.8)

5.010

1

0.027

0.05

 Verbal fluency 3—correct responses

0.334285

11.8 (0.4)

10.1 (0.6)

4.944

1

0.028

0.05

 Verbal fluency 3—switching accuracy

0.30624

12.1 (0.4)

9.6 (0.6)

12.161

1

0.001

0.10

 Design fluency 2

0.22314

11.4 (0.4)

10.2 (0.6)

2.542

1

0.114

–

 Design fluency 3

0.26376

11.3 (0.3)

9.9 (0.5)

5.028

1

0.027

0.05

 TMT 2

0.303005

9.7 (0.4)

7.6 (0.6)

7.415

1

0.008

0.07

 TMT 3

0.309674

10.0 (0.3)

8.0 (0.6)

8.206

1

0.005

0.08

 TMT 4

0.330988

9.7 (0.3)

7.9 (0.6)

7.438

1

0.008

0.07

 Tower test

0.221951

11.2 (0.4)

9.4 (0.7)

4.360

1

0.040

0.05

  1. Results from WAIS-III and D-KEFS subtests are scaled scores, for which the average range is 9-11 (low average scores = 7–8; high average scores = 12–13). The average range for WAIS-III Full Scale IQ is 85–115
  2. WAIS-III Wechsler Adult Intelligence Scale, D-KEFS Delis–Kaplan Executive Function System
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