Table 1.
Measurea | Baseline Mean ± SD | Post-CBSM+ Mean ± SD | Six months Mean ± SD | Twelve months Mean ± SD |
---|---|---|---|---|
CBSM + Group condition | ||||
(n = 74) | (n = 55) | (n = 44) | (n = 34) | |
BDI—Total | 16.8 ± 5.8 | 12.3 ± 7.8 | 9.7 ± 7.1 | 7.4 ±6.0+** |
BDI—Cognitive | 5.7 ± 3.6 | 4.4 ± 4.1 | 3.0 ± 3.3 | 2.1 ±2.6** |
BDI—Somatic | 11.1 ± 3.6 | 7.9 ± 4.5 | 6.7 ± 4.9 | 5.3 ±4.1+** |
Low intensity comparison condition | ||||
(n = 80) | (n = 71) | (n = 47) | (n = 45) | |
BDI—Total | 16.3 ± 4.6 | 14.7 ± 10.3 | 12.8 ± 9.9 | 10.2 ±9.0** |
BDI—Cognitive | 5.5 ± 3.2 | 4.9 ± 5.3 | 4.5 ± 5.1 | 3.2 ±3.7** |
BDI—Somatic | 10.8 ± 3.4 | 9.8 ± 6.1 | 8.3 ± 5.8 | 7.0 ±6.0** |
significant interaction effect between Condition and Time, p < .05
significant simple effect for Time (all 4 time points), p < .001
abbreviations: BDI = Beck Depression Inventory (total score, cognitive and somatic subscales)