Table 4.
Data (mean ± 95% confidence limits) for pre- and post-global scores for ASBQ and PSQI sleep questionnaires between week 1 and week 3 for the HIGH and LOW sleep groups, including p-values and effect size comparisons between time points.
| Measure | Condition | Pre (Mean ± SD) | Post (Mean ± SD) | p-Value | Effect Size (d) ± 95% CI |
|---|---|---|---|---|---|
| ASBQ | HIGH LOW |
44.5 ± 5.7 41.1 ± 4.9 |
41.0 ± 5.0 41.8 ± 5.1 |
0.022 * 0.509 |
−0.63 ±0.76, moderate 0.13 ±0.73, unclear |
| PSQI | HIGH LOW |
5.7 ± 2.9 5.0 ± 1.8 |
5.5 ± 2.4 5.5 ± 2.0 |
0.671 0.135 |
−0.08 ±0.75, unclear 0.26 ±0.80, unclear |
* indicates significant difference between groups (p < 0.05). HIGH: >7.5 h average per night (n = 14), LOW: <7.5 h average per night (n = 15).