Table 3.
Pre and post intervention means and (standard deviations) for sleep and cognitive scores by treatment group and significance of group difference change score.
| Pre BBTI |
Post | Pre IC |
Post | Change score | t | p | |
|---|---|---|---|---|---|---|---|
| Delayed Recall | 19.6 (7.7) | 20.4 (6.8) | 19.9 (7.2) | 19.0 (7.7) | 1.4 | 0.98 | 0.33 |
| Abstract Reasoning | 25.1 (6.9) | 25.8 (6.3) | 26.4 (7.6) | 27.4 (6.0) | 0.09 | 0.06 | 0.95 |
| Working Memory | 10.6 (2.6) | 11.1 (2.6) | 10.4 (2.5) | 10.4 (2.5) | 0.45 | 0.9 | 0.37 |
| TST (mins) | 353.3 (59.3) | 324.0 (52.1) | 351.3 (48.5) | 337.7 (61.8) | 7.65 | 0.51 | 0.61 |
| WASO (mins) | 100.4 (60.9) | 79.6 (44.5) | 89.4 (48.0) | 92.3 (46.9) | 22.9 | 2.1 | 0.04* |
| REM (%) | 22.7 (5.4) | 23.0 (5.0) | 22.9 (5.7) | 22.3 (5.5) | 1.29 | 1.06 | 0.29 |
| Absolute Delta (Hz) | 25.4 (12.0) | 23.34 (8.4) | 26.3 (11.3) | 30.7 (13.3) | 3.5 | 1.7 | 0.10 |
| Absolute Sigma (Hz) | 0.79 (0.4) | 0.76 (0.4) | 0.90 (0.5) | 0.88 (0.5) | 0.01 | 0.3 | 0.77 |
Change score statistics reflect analyses without standard covariates. Significant effects are in bold type.
†
p < 0.10;
*
p < 0.05;
**
p < 0.01;
***
p < 0.001.