Fig. 1.

a ROC curve graph for the ability of GSI-9-K and GSI-90 to discriminate between patients with at least one psychiatric disorder (N = 362) vs patients without any psychiatric disorder (N = 436). b ROC curve graph for the ability of GSI-9-K and GSI-90 to discriminate between individuals who receive MDD diagnosis (N = 158) and those without any psychiatric disorder (N = 436). c ROC curve graph for the ability of GSI-9-K and GSI-90 to discriminate between individuals who receive BED diagnosis (N = 219) and those without any psychiatric disorder (N = 436). Abbreviation: ROC receiver operating characteristic, GSI-9-K global severity index of the Symptom Checklist-K-9; GSI-90 global severity index of the Symptom Checklist-90-Revised, MDD major depressive disorder, BED binge eating disorders