Validity and reliability of the Indonesian version of the conduct disorder rating scale (cdrs)-parent and teacheras an initial screening for conduct disorders in elementary school children

Background: Conduct Disorders (CD) in children can lead to a four times higher risk of developing psychopathological mental disorders in adulthood. The survey results on 696 elementary school students from four provinces in Indonesia found that 33% experienced conduct disorders. It is very important to make a diagnosis of CD as early as possible so it is necessary to develop an easy and effective instrument as an initial screening tool for CD. CDRS for parent and teacher as a rating scale needs to be adopted into the Indonesian version.The aim of the study was to analyze the validity and reliability of the CDRS for parent and teacher as a screening tool in the child population for early detection of CD cases.Method:The research used cross sectional design. Parents and teachers assess elementary school children using the CDRS for parent and teacher questionnaire which has been translated into the Indonesian version. Confirmation of the diagnosis of CD in children classified as cases detected by a consultant psychiatrist.Results: The values for the Area Under Curve (AUC) of CDRS-parent and CDRS-teacher were 0.951 and 0.888 respectively; cut-off values of 2.5 and 1.5; sensitivity values of 96.97% and 85%; specificity values 89.95% and 75%; PPV values of 47.6% and 24.35%; NPV values of 99.68% and 98.12%; Cronbach's alpha values were 0.771 and 0.740. Conclusiion: The Indonesian version of CDRS-parent and CDRS-teacher were valid and reliable instruments as a screening tool for conduct disorderss in children.