Table 3.
Indirect effects of condition on insomnia symptoms through anxiety sensitivity, covarying for concurrent changes in depression and anxiety.
| Month 3 ISI | Month 3 Clinical Cut-Off | Month 6 ISI | Month 6 Clinical Cut-Off | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 95% CI | 95% CI | 95% CI | 95% CI | |||||||||
| B | L | U | B | L | U | B | L | U | B | L | U | |
| BL ISI or Clinical Cut-Off | .55 | .31 | .76 | .29 | .13 | .43 | .63 | .42 | .83 | .33 | .17 | .50 |
| Condition | .85 | −1.33 | .18 | .06 | −08 | .21 | −.60 | −2.89 | 1.65 | .03 | −.12 | .18 |
| Month-1 ASI | .12 | .05 | .18 | .01 | .004 | .02 | .11 | .01 | .21 | .01 | .003 | .01 |
| Depression Changes | 4.51 | −14.54 | 21.97 | .59 | −1.03 | 2.06 | .18 | −2.89 | 1.65 | .28 | −1.52 | 1.97 |
| Anxiety Changes | 15.07 | −9.46 | 36.60 | .05 | −1.45 | 1.51 | 43.24 | 1.46 | 79.28 | .05 | −3.34 | 3.05 |
| Indirect Effect | −1.08 | −2.13 | −.38 | −.09 | −.17 | −.03 | −.98 | −1.74 | −.03 | −.08 | −.17 | −.03 |
Note. For Intervention Condition 0 = control, 1 = active. Cl = Confidence interval, L = Lower, U = Upper. BL = Baseline. ISI = Insomnia Severity Index. ASI = Anxiety Sensitivity Index. Changes in depression and anxiety were calculated as Month-3 minus Month 1 total scores for Month-3 analyses, and using Month 6 scores for Month-6 analyses. Significant effects are in bold.