Table 3.
Comparison of mental health symptom score by local case category and significant problem thresholds (n=165)1
| Youth Self Report (YSR) | Child PTSD Symptom Scale (CPSS) | |||||
|---|---|---|---|---|---|---|
| Externalizing | Internalizing | Total | Re-experiencing | Avoidance and numbing | Hyperarousal | |
| Range of possible scores | 0–62 | 0–60 | 0–51 | 0–15 | 0–21 | 0–15 |
| Score among cases, mean (SD) | 18.84 (14.63) | 23.76 (13.81) | 18.57 (12.92) | 5.56 (4.26) | 7.53 (5.68) | 5.48 (4.03) |
| Score among non-cases, mean (SD) | 9.60 (9.84) | 12.78 (11.11) | 9.41 (9.66) | 2.67 (3.27) | 3.85 (4.69) | 2.88 (2.97) |
| Difference in score by case status2 | 9.24* | 10.98* | 9.16* | 2.89* | 3.68* | 2.60* |
| AUC (95% CI) | 0.72 (0.64, 0.80) | 0.74 (0.66, 0.82) | 0.73 (0.64, 0.81) | – | – | – |
| Liu estimated cut-off | 7.5 | 13.5 | 11.5 | – | – | – |
| Sensitivity | 0.79 | 0.77 | 0.68 | – | – | – |
| Specificity | 0.56 | 0.62 | 0.69 | – | – | – |
| Youden’s index (J) | 0.35 | 0.39 | 0.37 | – | – | – |
| Cronbach’s alpha | 0.94 | 0.93 | 0.93 | 0.84 | 0.86 | 0.82 |
| Test-retest correlation3 | 0.66 | 0.62 | 0.68 | 0.63 | 0.68 | 0.64 |
1
Cronbach’s alpha conducted with full sample of 210 adolescents
2
Significance for Wald Ranksum Test of difference in means between cases and non-cases
3
Test-retest assessed in a randomly selected sub-sample of 33 adolescents
*
<0.001