| All DARTNet Patients | Depression Cohort | Depression Cohort + Fulfillment Data Available | |
|---|---|---|---|
| PHQ-9s collected, n | 4900 | 1892 | 309 |
| Patients with at least one PHQ-9, n | 2969 | 1019 | 259 |
| PHQ-9s collected per patient, n | |||
| Mean | 1.7 | 1.9 | 1.2 |
| Median | 1.0 | 1.0 | 1.0 |
| Range | 1–32 | 1–32 | 1–5 |
| Age at time of first PHQ-9 (years) | |||
| Mean | 49.1 | 51.1 | 53.2 |
| Median | 49.0 | 51.0 | 54.0 |
| Range | 1–89 | 15–89 | 16–89 |
| Age group | |||
| Adolescent (13–18 years) | 76 (2.56) | 22 (2.16) | 8 (3.09) |
| Adult (≥19 years) | 2768 (93.23) | 997 (97.84) | 251 (96.91) |
| Female sex | 2005 (67.53) | 707 (69.38) | 186 (71.81) |
| PHQ-9 total score information | |||
| Mean | 8.9 | 9.1 | 9.2 |
| Median | 8.0 | 8.0 | 8.0 |
| Range | 0–27 | 0–27 | 0–27 |
| Score ranges | |||
| 0–4 (no depression) | 1,448 (32.05) | 544 (30.49) | 67 (29.13) |
| 5–9 (minimal) | 1,215 (26.89) | 517 (28.98) | 63 (27.39) |
| 10–14 (mild) | 883 (19.54) | 349 (19.56) | 47 (20.43) |
| 15–19 (moderate) | 544 (12.04) | 202 (11.32) | 29 (12.61) |
| 20–7 (severe) | 428 (9.47) | 172 (9.64) | 24 (10.43) |
| PHQ-9 item 9 (suicidality) information | |||
| Score | |||
| Mean | 0.4 | 0.5 | 0.3 |
| Median | 0.0 | 0.0 | 0.0 |
| Range | 0–3 | 0–3 | 0–3 |
| Specific scores | |||
| 0 (no thoughts in past 2 weeks) | 2,807 (69.43) | 1,027 (63.71) | 243 (81.00) |
| 1 (thoughts on several days) | 913 (22.58) | 449 (27.85) | 32 (10.67) |
| 2 (thoughts on more than half the days) | 201 (4.97) | 92 (5.71) | 18 (6.00) |
| 3 (thoughts nearly every day) | 122 (3.02) | 44 (2.73) | 7 (2.33) |
Data provided as n (%) unless otherwise indicated.
PHQ-9, 9-item Patient Health Questionnaire.