Cross-cultural validation of the Urdu translation of the Patient Health Questionnaire for Adolescents among children and adolescents at a Pakistani school.

•Urdu translation of the Patient Health Questionnaire is valid and reliable to use among the pediatric population in Pakistan.•It has no floor and ceiling effects and has a good language interchangeability in the tested sample.•It is short, convenient and easily comprehensible by the Urdu speaking Pakistani school-going children.