Table 3.
Odds Ratio of PHQ-9 Score ≥10 at 6 Months After Major Depressive Disorder Diagnosis, by Variable (N = 4839).
| Odds Ratio | 95% CI | P | |
|---|---|---|---|
| Age (years) | 0.991 | 0.9868-0.996 | <.001 |
| Gender (female) | 0.870 | 0.749-1.011 | .068 |
| Married | 0.912 | 0.793-1.049 | .197 |
| Race (White) | 0.716 | 0.557-0.921 | .009 |
| Diagnosis | |||
| First episode | Referent | Referent | |
| Recurrent | 1.443 | 1.256-1.658 | <.001 |
| Dysthymia | 1.346 | 1.053-1.720 | .018 |
| Initial PHQ-9 score | 1.098 | 1.081-1.116 | <.001 |
| PD/Treatment | |||
| PD/CCM | Referent | Referent | |
| No PD/CCM | 0.326 | 0.253-0.419 | <.001 |
| PD/UC | 2.123 | 1.359-3.318 | <.001 |
| No PD/UC | 0.878 | 0.666-1.157 | .356 |
| Area under the ROC curve (AUC) | 0.701 | 0.688-0.714 | |
Abbreviations: PHQ-9, Patient Health Questionnaire–9; PD, personality disorder; CCM, collaborative care management; UC, usual care; ROC, receiver operating characteristic.