Table 2.
Mean scores (and standard deviations) on measures of secondary outcomes across time for patients in CBT or EUC.
| Treatment Effect | Treatment Effect | Time Effect | Treatment x Time Effect | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Baseline (N = 134) | 3-Mo (N = 115) | F | p | d (95 % CIs) | 6-Mo (N = 95) | 9-Mo (N = 96) | 12-Mo (N = 92) | 15-Mo (N = 94) | F | p | F | p | F | p | ||
| PSWQ | CBT | 53.3 (10.6) | 45.6 (8.9) | 19.01 | <.00 01 | .85 (.49, 1.20) | 44.1 (9.4) | 44.0 (8.1) | 42.5 (9.3) | 42.8 (9.1) | 15.12 | .0002 | 4.53 | .002 | 1.88 | .12 |
| EUC | 57.6 (10.9) | 54.4 (10.6) | 52.7 (10.7) | 50.4 (11.0) | 50.9 (12.0) | 50.8 (11.8) | ||||||||||
| GADSS | CBT | 11.4 (3.6) | 8.6 (3.6) | 1.77 | .19 | .27 (−.07, .61) | 8.6 (3.9) | 8.6 (4.3) | 8.5 (3.8) | 8.7 (4.7) | 1.75 | .19 | .10 | .98 | .14 | .97 |
| EUC | 11.3 (3.4) | 9.9 (4.5) | 9.7 (4.7) | 9.6 (5.1) | 9.2 (4.7) | 9.5 (4.5) | ||||||||||
| SIGH-A | CBT | 19.4 (7.7) | 15.1 (7.5) | 1.45 | .23 | .13 (−.21, .47) | 14.5 (7.7) | 13.6 (8.0) | 13.2 (6.6) | 13.9 (8.2) | 2.64 | .11 | .70 | .60 | .77 | .55 |
| EUC | 19.1 (7.9) | 16.1 (7.4) | 16.2 (8.6) | 15.9 (8.8) | 15.7 (7.9) | 15.1 (8.0) | ||||||||||
| BDI | CBT | 16.3 (8.0) | 10.2 (7.0) | 5.9 | .02 | .34 (.00, .68) | 9.3 (7.1) | 9.7 (7.2) | 8.5 (6.8) | 8.3 (7.3) | 4.67 | .03 | 2.11 | .08 | 1.66 | .16 |
| EUC | 16.4 (9.5) | 12.8 (8.3) | 10.9 (8.4) | 10.3 (7.0) | 10.1 (6.9) | 11.4 (7.3) | ||||||||||
| SF-12 MCS | CBT | 42.4 (10.0) | 49.6 (8.9) | 7.45 | .008 | .48 (.14, .83) | 51.2 (8.4) | 48.4 (9.3) | 50.2 (8.0) | 50.3 (8.4) | 5.42 | .02 | 1.61 | .18 | .81 | .52 |
| EUC | 41.7 (9.5) | 45.3 (9.4) | 47.4 (10.4) | 48.1 (10.3) | 47.5 (10.2) | 47.0 (10.6) | ||||||||||
| SF-12 PCS | CBT | 44.0 (8.5) | 41.6 (7.9) | .03 | .87 | .08 (−.26, .42) | 42.4 (7.7) | 42.7 (7.6) | 41.5 (6.7) | 42.1 (7.1) | .20 | .66 | .56 | .69 | .26 | .90 |
| EUC | 44.3 (8.2) | 41.8 (9.6) | 40.5 (10.2) | 42.6 (8.5) | 41.7 (8.3) | 41.8 (7.9) | ||||||||||
Abbreviations: CBT, cognitive behavior therapy; EUC, enhanced usual care; BDI, Beck Depression Inventory – 11; Medical Outcomes Study Short Form; MCS, Mental Component Scale; PCS, Physical Component Scale; QOLI; Quality of Life Intervention.
NOTE: All means are observed means (corresponding Ns are noted).