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
0.991