Table 4.
Therapist Ratings of Patient Agreement and Adherence and Adherence to Behavioral Strategies (ABS) During Treatment Predicting Insomnia Symptoms Reduction from Pre-treatment Through 6-Month Follow-up
| Insomnia Severity Index (ISI) scores (outcome) |
Effect of adherence on ISI from pre to post |
Effect of adherence on ISI from pre to 6-month follow-up |
Effect of adherence on ISI from post to 6-month follow-up |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Beta | SE | p | Beta | SE | p | Beta | SE | p | |
| Therapist rating of patient agreement | -0.27 | 0.07 | 0.001 | -0.14 | 0.07 | 0.037 | 0.13 | 0.07 | 0.073 |
| Therapist Rating of homework completion | -0.14 | 0.07 | 0.045 | 0.001 | 0.07 | 0.984 | 0.14 | 0.08 | 0.064 |
| Global Adherence to Behavioral Strategies (ABS) | -0.18 | 0.08 | 0.018 | -0.11 | 0.08 | 0.152 | 0.07 | 0.08 | 0.407 |
| Specific ABS components | |||||||||
| Bedtime | -0.10 | 0.08 | 0.212 | -0.03 | 0.08 | 0.754 | 0.07 | 0.08 | 0.376 |
| Risetime | -0.05 | 0.07 | 0.532 | -0.07 | 0.07 | 0.381 | -0.02 | 0.08 | 0.808 |
| Napping | -0.02 | 0.08 | 0.794 | 0.09 | 0.09 | 0.320 | 0.11 | 0.09 | 0.234 |
| Sleep window | -0.07 | 0.08 | 0.349 | -0.01 | 0.08 | 0.912 | 0.06 | 0.08 | 0.422 |
| Getting out of bed during nocturnal awakening | -0.22 | 0.07 | 0.002 | -0.20 | 0.07 | 0.008 | 0.02 | 0.08 | 0.748 |
Note. ISI = Insomnia Severity Index. Beta = standardized regression coefficient. Results are based on multilevel modeling. Only Time × Adherence variable results are presented in this table. All models were adjusted for treatment condition, study site, and stratification factors (age group, comorbidity). pre = pre-treatment. post = post-treatment.