Ruwanthi Perera

Adaptation and validation of a modified version of the patient health questionnaire (PHQ-9) for a Tamil speaking population in Sri Lanka: a cross-sectional study

The patient health questionnaire (PHQ-9) is a widely used self-administered depression screening tool. Multiple Tamil translations of the PHQ-9 have been developed for different Tamil-speaking populations. This study evaluated the existing Tamil translations for their accuracy, a...