VALIDASI KLINIK GENERAL HEALTH QUESTIONNAIRE-12 (GHQ-12) SEBAGAI INSTRUMEN SKRINING GANGGUAN OBSESIF KOMPULSIF DI PUSKESMAS

Obsessive Compulsive Disorder (OCD) is considered as one of subtype in anxiety disorder, which frequently diagnosed. However, there is no valid, reliable, sensitive, and specific screening instrument available in primary health care, to detect OCD. Therefore, many patient with OCD did not get the appropriate treatment. This study aimed to examine the clinical validity of GHQ-12 as screening instrument for OCD in primary health care. Structured Clinical Interview for DSM IV Disorder-Axis I (SCID-I) used as gold standard. The respondent were 227 adult outpatients, aged 18-60, from 10 primary health care in Sleman and Kota Yogyakarta, Yogyakarta Province. Alpha Cronbach reliability coefficient were satisfactory according to Bimodal, Likert, and CGHQ scoring methods (0.855, 0.868, and 0.851 respectively). Principal Component Analysis showed that GHQ-12 consist of two components, that is �psychological distress� and �social disfunction�. Receiver Operating Curve (ROC) dan Likelihood Ratio (LR) were conducted to assess the clinical validity. Result showed that GHQ-12 based on Bimodal scoring method (AUC=75,6%, optimum cut-off �4, sensitivity=80%, specificity=69,3%, LR+=2,61, LR-=0,29) can be used as screening instrument for OCD in primary health care