phq 9 adolescent validity and reliability

Maximized at a cut-off score of ≥10 or above.Combined sensitivity and specificity (29 studies, 6725 participants) using semi-structured interviews for diagnosis.17,357 participants | 2,312 with major depression.

Subgroup studies based on confounders such as age, sex, country human development index and recruitment setting.Excluding participants who may have received treatment for a mental health issue at time of PHQ-9 administration.Cut-off scores 5-15 against the 3 different interview methods.Statistical Analysis for sensitivity and specificity were calculated for.Brief structured interview: Mini International Neuropsychiatric (MINI) (which may be overly inclusive).Lay administration: Fully structured interviews.Administered by clinicians: Semistructured diagnostic interviews.Three different diagnostic interviews were used.Participants ≥18 years and not recruited from psychiatric settings or have symptoms of depression.Diagnostic classification made within two weeks of PHQ-9 screening (DSM and ICD codes specify symptoms must be present within previous 2 weeks).Diagnostic classification for current major depressive disorder or major depressive episode (using validated interviews).Study included all cut-off scores from all studies (not just published cut-off scores).Individual participant data meta-analysis.(BMJ, 2019) sought to determine the accuracy of the PHQ-9 Designed to be used in primary care and other screening settings.Nine-item depression screening questionnaire.The Patient Health Questionnaire-9 (PHQ-9).

Phq 9 adolescent validity and reliability