The 9-item Patient Health Questionnaire (PHQ-9) can be used for screening, diagnosing, monitoring and measuring the severity of depression. The severity of depression is categorised into mild, moderate, moderately severe and severe depression. The final question on the PHQ-9 screens for the presence and duration of suicide ideation. Additionally, this scale is validated in Nepal in 2018 among leprosy-affected people.

PDF iconPatient Health Questionnaire39.94 KB
Validation studies: