Table 2. 6-Month Care Processes and Health Services Use Following Randomization.
| Characteristic | CCBT Alone (n = 301) | CCBT+ISG (n = 302) | Usual Care (n = 101) |
|---|---|---|---|
| Beating the Blues CCBT, No. (%) | |||
| Participants who logged in | 261 (86.7) | 260 (86.1) | NA |
| CCBT sessions completed of those who completed ≥1 session, mean (SD) [denominator] | 5.4 (2.8) [254] | 5.5 (2.7) [250] | NA |
| No. of participants who completed all 8 sessions | 112 (37.2) | 109 (36.1) | NA |
| ISG | |||
| Logged in, No. (%) | NA | 228 (75.5) | NA |
| Log-ins per user | |||
| Mean | NA | 8.9 | NA |
| Median (range) | NA | 4 (1-214) | NA |
| Commented, No. (%) | NA | 138 (45.7) | NA |
| Comments per commenter | |||
| Mean | NA | 9.6 | NA |
| Median (range) | NA | 3 (1-285) | NA |
| Posted, No. (%) | NA | 45 (14.9) | NA |
| Posts per poster | |||
| Mean | NA | 3.8 | NA |
| Median (range) | NA | 1 (1-42) | NA |
| Commented or posted, No. (%) | NA | 141 (46.7) | NA |
| Comments/posts per commenter/poster | |||
| Mean | NA | 10.5 | NA |
| Median (range) | NA | 3 (1-306) | NA |
| Care management, median (IQR)a | |||
| No. of telephone calls | 4 (3-6) | 3 (2-5) | NA |
| No. of emails | 9 (6-11) | 12 (9-16) | NA |
| No. of total contacts | 13 (10-16) | 16 (12-20) | NA |
| Pharmacotherapy, No. (%)a | |||
| SSRI/SNRI use at baseline | 200 (66.4) | 206 (68.2) | 66 (65.3) |
| SSRI/SNRI use at 6 mo, No./total No. (%) | 164/253 (64.8) | 166/259 (64.1) | 50/92 (54) |
| Benzodiazepine use at baseline | 39 (13.0) | 40 (13.2) | 14 (13.9) |
| Benzodiazepine use at 6 mo, No./total No. (%) | 31/253 (12.3) | 29/259 (11.2) | 9/92 (10) |
| Health care use, median (range)a | |||
| PCP office visits | 2 (0-12) | 2 (0-16) | 2 (0-7) |
| PCP telephone contacts | 0 (0-7) | 0 (0-7) | 0 (0-4) |
| PCP email contacts | 0 (0-7) | 0 (0-11) | 0 (0-6) |
| PCP total contacts | 3 (0-18) | 4 (0-28) | 3 (0-11) |
| Mental health specialty visit, No./total No. (%) | 45/267 (16.9) | 69/271 (25.5) | 17/95 (18) |
| ED visits | 0 (0-5) | 0 (0-7) | 0 (0-4) |
| Hospitalizations | 0 (0-4) | 0 (0-2) | 0 (0-3) |
Abbreviations: CCBT, computerized cognitive behavioral therapy; ED, emergency department; IQR, interquartile range; ISG, internet support group; NA, not applicable; PCP, primary care physician; SSRI, selective serotonin reuptake inhibitor; SNRI, serotonin norepinephrine reuptake inhibitor.
a
Data from medical record abstraction.