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. Author manuscript; available in PMC: 2014 Jun 23.
Published in final edited form as: Psychiatry Res. 2013 Mar 13;210(1):55–61. doi: 10.1016/j.psychres.2013.02.007

Table 3.

Preliminary hierarchical regression analysis with GAF-F-B as dependent and BIV groups 2,4 and 5.

R R2 adjusted R2 change F change Sig F change
BIV-2
    Step 1: PASa-childhood 0.34 0.1 0.12 8.07 0.006
        Step 2: PAS-early youth 0.34 0.09 0 0.59 0.88
BIV-4
        Step 1: Verbal memory 0.33 0.1 0.11 7.61 0.008
        Step 2: Psychomotor speed 0.37 0.11 0.03 1.83 0.182
BIV-5
        Step 1: AES-C-12 b 0.5 0.24 0.25 20.35 <0.001
        Step 2: PANSS-pos c 0.6 0.34 0.11 10.6 0.002
        Step 5: CDSS d 0.6 0.33 0 0.37 0.548
        Step 6: DUDIT e 0.61 0.33 0.01 1.2 0.279
a

PAS: Premorbid Assessment of functioning Scale.

b

AES-C-12: Apathy Evaluation Scale shortened 12 item version.

c

PANSS-pos: Positive factor after Wallwork et al.

d

CDSS: Calgary Depression Scale for Schizophrenia.

e

DUDIT: Drug use Disorder Identification Test.