Research Article

A Chinese Chan-Based Mind-Body Intervention Improves Sleep on Patients with Depression: A Randomized Controlled Trial

Table 2

Psychiatrist rating on the sleep items of HRSD at pre- and post-treatment.

GroupPre-treatmentPost-treatmentPost minus Pre Differencet 𝑃 Effect size

WL ( 𝑛 = 1 6 )1.88 (1.46)2.81 (2.01)0.94 (2.29)−1.640.060.41+
CBT ( 𝑛 = 1 5 )2.00 (1.41)1.47 (1.46)−0.53 (2.00)1.040.160.27
DMBI ( 𝑛 = 1 6 )2.63 (2.09)1.13 (1.26)−1.50 (1.51)3.990.00**1.00++

Note. HRSD: hamilton psychiatric rating scale for depression; WL: waitlist control; CBT: cognitive-behavioural therapy; DMBI: Dejian mind-body intervention. Standard deviations are in parentheses. ** 𝑃 < 0.001, +medium effect size, ++large effect size.