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Table 2 Receiver Operating Curve (ROC) analysis of the ZBI and IEQ against the GHQ-28 and CES-D

From: Assessment of the consequences of caregiving in psychosis: a psychometric comparison of the Zarit Burden Interview (ZBI) and the Involvement Evaluation Questionnaire (IEQ)

GHQ-28 cut-off points

AUC – ZBI

AUC – IEQ

p-value 1

3/4

0.773

0.725

0.298

4/5

0.771

0.718

0.253

5/6

0.745

0.699

0.345

6/7

0.744

0.711

0.491

CES-D cut-off point

15/16

0.696

0.696

0.991

  1. 1 p-value for the comparison of AUC’s