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Test characteristics using receiver operating curves for the PHRBS and Sexual Behavior Practices scales
| Scale | AUC (95% CI) |
ROC Sens (%) | ROC Spec (%) | % Correctly classified | Optimal cut-off |
|---|---|---|---|---|---|
| PHRBS | 0.72 (0.65, 0.80) |
68.5 | 63.3 | 65.9 | 2 |
| Sexual Behavior Practices | 0.59 (0.53, 0.64) |
28.1 | 88.9 | 58.9 | 1 |
