Table 5.
Wake time after sleep onset (minutes) at pre- and post-treatment.
| Pre-treatment | Post-treatment | Post minus Pre Difference | t | P | Effect size | |
|---|---|---|---|---|---|---|
| Whole group | ||||||
| WL (n = 10) | 29.00 (36.14) | 28.45 (35.54) | −0.55 (33.56) | 0.05 | 0.48 | 0.02 |
| CBT (n = 16) | 29.72 (31.53) | 21.75 (19.11) | −7.97 (22.45) | 1.42 | 0.09 | 0.36 |
| DMBI (n = 10) | 33.65 (25.50) | 21.55 (19.92) | −12.10 (26.34) | 1.45 | 0.09 | 0.46+ |
| Sub-group | ||||||
| WL (n = 5) | 49.50 (42.88) | 44.00 (44.64) | −5.50 (48.62) | 0.25 | 0.41 | 0.11 |
| CBT (n = 9) | 51.11 (26.19) | 30.56 (19.44) | −20.56 (20.68) | 2.98 | 0.01* | 0.99++ |
| DMBI (n = 6) | 51.67 (13.29) | 28.83 (22.23) | −22.83 (28.53) | 1.96 | 0.05* | 0.80++ |
Note. WL: waitlist control; CBT: cognitive-behavioural therapy; DMBI: Dejian mind-body intervention. Subgroup included participants who took >15 minutes to resume sleep after awakening at baseline. Standard deviations are in parentheses. *P ≤ 0.05, +medium effect size, ++large effect size.