Table 2.
Differences in clinical characteristics between different recruitment sources
| Recruitment source | Statistics | ||||||||||||||
| (1) Clinical | (2) Internet forum | (3) Insurance | (4) Other | Between groups | |||||||||||
| Clinical characteristics | n | Mean | SD | n | Mean | SD | n | Mean | SD | n | Mean | SD | df | F | p |
| PHQ-9 | 105 | 10.06 | 2.60 | 171 | 10.21 | 2.44 | 271 | 10.40 | 2.39 | 466 | 10.30 | 2.38 | 3,1009 | 0.57 | 0.635 |
| PHQ-9 suicidality item | 1.30 | 0.48 | 1.23 | 0.45 | 1.21 | 0.41 | 1.27 | 0.46 | 1.91 | 0.127 | |||||
| SF-12 PH | 102 | 46.42 | 9.52 | 169 | 46.83 | 9.91 | 262 | 47.64 | 9.06 | 456 | 48.05 | 9.44 | 3,985 | 1.25 | 0.291 |
| SF-12 MH | 30.11 | 6.96 | 31.39 | 8.45 | 31.49 | 7.34 | 31.51 | 7.69 | 0.99 | 0.398 | |||||
| FEP-2 | 105 | 2.93 | 0.47 | 171 | 2.99 | 0.47 | 271 | 2.92 | 0.46 | 466 | 2.918 | 0.45 | 3,1009 | 1.08 | 0.357 |
| HRSD | 17.47 | 7.49 | 17.49 | 7.58 | 16.14 | 7.47 | 16.73 | 7.41 | 1.48 | 0.219 | |||||
| Diagnosis | n | n | % | n | n | % | n | n | % | n | n | % | df | χ2 | p |
| Dysthymia | 105 | 33 | 31.4 | 171 | 77 | 45.0 | 271 | 100 | 36.9 | 466 | 166 | 35.6 | 3 | 6.49 | 0.090 |
| Depressive episode | 36 | 34.3 | 47 | 27.5 | 75 | 27.7 | 132 | 28.3 | 1.90 | 0.594 | |||||
| More than five episodes | 36 | 34.3 | 66 | 38.6 | 99 | 36.5 | 192 | 41.2 | 2.62 | 0.453 | |||||
| Panic d/o (WSQ) | 40 | 38.1 | 47 | 27.5 | 75 | 27.7 | 159 | 34.1 | 6.68 | 0.083 | |||||
| Social phobia (WSQ) | 46 | 43.8 | 80 | 46.8 | 127 | 46.9 | 221 | 47.4 | 0.45 | 0.930 | |||||
| Alcohol use d/o (WSQ) | 4 | 3.8 | 6 | 3.5 | 11 | 4.1 | 31 | 6.7 | 4.16 | 0.245 | |||||
| Resource use | n | n | % | n | n | % | n | n | % | n | n | % | df | χ2 | p |
| General practitioner | 105 | 92 | 87.6 | 171 | 141 | 82.5 | 271 | 240 | 88.6 | 466 | 397 | 85.2 | 3 | 3.70 | 0.295 |
| Psychiatrist | 44 | 41.9 | 72 | 42.1 | 57 | 21.0 | 139 | 29.8 | 28.67 | <0.001 | |||||
| Psychotherapist | 52 | 49.5 | 73 | 42.7 | 73 | 26.9 | 155 | 33.3 | 22.58 | <0.001 | |||||
| Neurologist | 20 | 19.0 | 38 | 22.2 | 39 | 14.4 | 62 | 13.3 | 8.76 | 0.033 | |||||
| Inpatient psychiatry | 19 | 18.1 | 15 | 8.8 | 14 | 5.2 | 29 | 6.2 | 20.35 | <0.001 | |||||
| Sick leave days | 40.13 | 66.68 | 29.99 | 53.54 | 15.72 | 36.41 | 20.15 | 43.40 | 3,1009 | 8.81 | <0.001 | ||||
FEP-2, broad self-rated symptom measure covering dimensions ranging from general well-being to interpersonal relationships; HRSD, clinician-rated depression severity; PHQ-9, self-rated depression severity; SF-12 PH, physical health related quality of life; SF-12 MH, mental health related quality of life; WSQ, web screening questionnaire for mental disorders.