Table 3.

Cutoff Scores and Performances of the Questionnaires for Screening for Any Mental Disordera

QuestionnaireCutoff ScorebTotal AccuracySensitivitySpecificityPPVNPV
COOP/WONCA = Dartmouth Primary Care Cooperative Research Network, and World Organization of National Colleges, Academies, and Academic Associations of General Practitioners/Family Physicians; NPV = negative predictive value; PPV = positive predictive value; ROC = receiver operating characteristic; SRQ-20 = 20-item Self-Reporting Questionnaire; WHO-5 = World Health Organization–Five Well-Being Index.
a Reference standard was diagnosis of the disorders by SCID, the Structured Clinical Interview for the DSM-IV (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition).
b Cutoff scores were chosen based on the scores having the highest total accuracy.
c Total score using all 6 items.
d Feelings, Daily Activities, and Social Activities.
COOP/WONCA Chartsc170.870.840.880.800.91
Charts item
    Daily Activities20.740.910.640.600.92
    Social Activities30.760.590.860.700.78
    Overall Health50.720.640.820.670.80
Charts 3-item combinationd90.870.860.880.810.92