Table 6.
Mood and Anxiety Outcomes
| Baseline | Post-Treatment | 3-mo Follow-up | Group × Timea,b | |||
|---|---|---|---|---|---|---|
| Measure | Mean (SD) |
Mean (SD) |
Mean (SD) |
F | p | η2p |
| BDI-II (raw score) | ||||||
| BBTi | 9.77 (11.28) | 8.90 (11.12) | 8.42 (11.29) | .74 | .47 | .013 |
| SMC | 10.00 (6.51) | 8.39 (6.45) | 8.71 (6.52) | |||
| GDS (raw score) | ||||||
| BBTi | 3.29 (4.28) | 3.03 (4.35) | 2.71 (4.42) | 2.25 | .11 | .039 |
| SMC | 4.04 (7.95) | 3.11 (3.17) | 2.93 (3.11) | |||
| STAI-Y (raw score) | ||||||
| BBTi | 33.19 (12.84) | 33.45 (12.79) | 33.45 (12.95) | 1.58 | .21 | .027 |
| SMC | 38.96 (10.23) | 37.18 (10.97) | 39.32 (12.34) | |||
Note. BBTi refers to Brief Behavioral Treatment of insomnia group (n = 32); SMC refers to Self-monitoring and Attention Controls (n = 30).
Abbreviations: BDI-II = Beck Depression Inventory-II; GDS = Geriatric Depression Scale; STAI-Y = State Trait Anxiety Inventory Form
a
Greenhouse-Geisser correction was applied to Group × Time interaction.
b
Guidelines for interpreting η2p: .01 = small, .06 = moderate, .14 = large (Cohen, 1977)