Table 1.
Comparison of Therapy Type (Collaborative Care Management vs Usual Care) for Primary Care Patients With Depression, With or Without the Diagnosis of Personality Disorder, by Variable.
| Usual Care (N = 3899) |
Collaborative Care Management (N = 5715) |
|||||
|---|---|---|---|---|---|---|
| Personality Disorder (n = 291) | No Personality Disorder Diagnosis (n = 3608) | P | Personality Disorder (n = 391) | No Personality Disorder Diagnosis (n = 5324) | P | |
| Age, years, median (range) | 34.6 (18.2-79.9) | 37.0 (18.0-96.9) | .008 | 35.6 (18.1-92.3) | 39.0 (18.0-93.2) | .006 |
| Female, % (n) | 84.9 (247) | 71.2 (2582) | <.001 | 76.7 (300) | 71.7 (3815) | .031 |
| White, % (n) | 93.5 (272) | 90.8 (3275) | .122 | 90.8 (355) | 92.9 (4945) | .125 |
| Married, % (n) | 24.4 (71) | 40.5 (1461) | <.001 | 30.4 (119) | 44.9 (2392) | <.001 |
| Initial PHQ-9 score (range 10-27), median | 16.0 (95% CI = 15.0-18.0) | 14.0 (95% CI = 14.0-15.0) | <.001 | 17.0 (95% CI = 17.0-18.0) | 15.0 (95% CI = 15.0-15.0) | <.001 |
| Diagnosis, % (n) | <.001 | <.001 | ||||
| First episode | 37.1 (108) | 48.3 (1741) | 34.3 (134) | 52.6 (2799) | ||
| Recurrent | 55.0 (160) | 41.2 (1488) | 56.7 (222) | 40.0 (2127) | ||
| Dysthymia | 7.9 (23) | 10.5 (379) | 9.0 (35) | 7.4 (398) | ||
| Compliance with 6-month follow-up, % (n) | 44.7 (130) | 32.5 (884) | <.001 | 74.2 (290) | 66.5 (3540) | .002 |
| PHQ-9 score <5 at 6 months, % (n) | 11.5a (15/130) | 29.6 (262/884) | <.001 | 25.2a (73/290) | 53.1 (1879/3540) | <.001 |
| PHQ-9 score ≥10 at 6 months | 67.7b (88/130) | 43.6 (385/884) | <.001 | 51.7b (152/290) | 22.4 (792/3540) | <.001 |
Abbreviation: PHQ-9, Patient Health Questionnaire–9.
a
P value of .002 comparing patients with personality disorder diagnoses in usual care versus collaborative care management.
b
P value of .004 comparing patients with personality disorder diagnoses in usual care versus collaborative care management.