2002
DOI: 10.1016/s1054-139x(01)00333-0
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The patient health questionnaire for adolescents

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Cited by 578 publications
(251 citation statements)
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“…It has been validated for use in Nigeria by Adewuya et al [10] who reported an internal consistency of 0.85 and optimal cut-off score for depressive disorder as 5 (sensitivity 0.897, specificity 0.989, positive predictive value 0.875, negative predictive value 0.981). The PHQ-A was modified from PHQ-9 for use in adolescents where it also has acceptable psychometric properties [14] [15] [16].…”
Section: Methodsmentioning
confidence: 99%
“…It has been validated for use in Nigeria by Adewuya et al [10] who reported an internal consistency of 0.85 and optimal cut-off score for depressive disorder as 5 (sensitivity 0.897, specificity 0.989, positive predictive value 0.875, negative predictive value 0.981). The PHQ-A was modified from PHQ-9 for use in adolescents where it also has acceptable psychometric properties [14] [15] [16].…”
Section: Methodsmentioning
confidence: 99%
“…These comorbid disorders were measured using the Patient Health Questionnaire for Adolescents (PHQ-A) (Johnson, Harris, Spitzer, & Williams, 2002). Major Depressive Disorder was measured by the Depression section of the PHQ-A, which has 15 items.…”
Section: Methodsmentioning
confidence: 99%
“…The PHQ-A (Johnson, Harris, Spitzer & Williams, 2002) assesses the frequency of depressive symptoms in adolescents. It contains nine items that are rated on a 4-point Likert scale from 0 (not at all) to 3 (nearly everyday).…”
Section: Study 3: Exploratory and Confirmatory Factor Analysismentioning
confidence: 99%
“…The sum of these items creates a total depressive symptom score with higher scores indicating higher levels of depressive symptoms. The PHQ-A has been reported to have good convergent and diagnostic validity in adolescents (Johnson et al, 2002).…”
Section: Study 3: Exploratory and Confirmatory Factor Analysismentioning
confidence: 99%