Table 4.
Performance of the PHQ-A, GAD-7, and SDQ Screening Tools in Mozambican Adolescents
| AUC (95% CI) | Cutoffa | Sensitivity | Specificity | % Correctly Classified | |
|---|---|---|---|---|---|
| PHQ-A | 0.85 (0.76–0.90) | 8 | 0.78 | 0.80 | 80.2 |
| GAD-7 | 0.84 (0.79–0.89) | 5 | 0.81 | 0.72 | 73.6 |
| SDQ Internalizing Subscale | |||||
| Any Internalizing Disorderb | 0.80 (0.75–0.85) | 10 | 0.76 | 0.74 | 74.3 |
| Depression | 0.81 (0.74–0.87) | 10 | 0.83 | 0.68 | 69.7 |
| Anxiety | 0.78 (0.73–0.84) | 10 | 0.74 | 0.72 | 72.6 |
| SDQ Externalizing Subscale | |||||
| Any Externalizing Disorderc | 0.72 (0.65–0.80) | 9 | 0.78 | 0.59 | 60.4 |
| ADHD | 0.70 (0.60–0.81) | 9 | 0.75 | 0.57 | 57.9 |
| Disruptive Behavior Disorders | 0.74 (0.67–0.82) | 10 | 0.72 | 0.70 | 70.1 |
Abbreviations: AUC Area under the curve, CI Confidence interval, PHQ-A Patient Health Questionnaire for Adolescents, GAD-7 Generalized Anxiety Disorders 7, SDQ Strengths and Difficulties Questionnaire
aOptimal cutoff score determined by Youdin’s index
bDiagnoses of depression and/or anxiety
cDiagnoses of conduct disorder, oppositional defiant disorder, and/or ADHD