A Chinese Chan-Based Mind-Body Intervention Improves Sleep on Patients with Depression: A Randomized Controlled Trial
Table 4
Sleep onset latency (minutes) at pre- and post-treatment.
Pre-treatment
Post-treatment
Post minus Pre Difference
t
Effect size
Whole group
WL (
44.33 (60.08)
57.83 (41.74)
13.50 (59.96)
−0.87
0.20
0.23
CBT ()
28.28 (20.40)
30.41 (23.52)
2.13 (20.73)
−0.41
0.34
0.10
DMBI ()
48.28 (46.25)
38.47 (38.81)
1.85
0.04*
0.46+
Subgroup
WL ()
67.50 (15.00)
90.00 (24.50)
−1.57
0.11
0.78++
CBT ()
53.00 (9.75)
40.00 (18.71)
2.23
0.05*
1.00++
DMBI ()
97.50 (39.97)
80.00 (30.98)
1.40
0.11
0.57+
Note. WL: waitlist control; CBT: cognitive-behavioural therapy; DMBI: Dejian mind-body intervention. Subgroup included participants who took >30 minutes to fall asleep at baseline. Standard deviations are in parentheses. *, +medium effect size, ++large effect size