Table 4: Corrected means and SDs of the PSQI subtest scores at baseline (T1) for all groups.

PSQI subtestSchizophrenia Schizophrenia Depression Depression Healthy (SD)
waiting list (SD)acupuncture (SD)waiting list (SD)acupuncture (SD)

Total score5.75 (1.91)8.50b (4.21)9.63b (4.57)8.50b (3.02)3.50 (2.07)
Subjective sleep quality1.00 (0.76)1.00 (0.76)1.63 (0.52)1.38 (0.52)0.75 (0.46)
Latency0.87 (1.36)1.88 (1.13)1.50 (1.07)1.50 (0.93)0.50 (0.54)
Duration0.25 (0.46)0.38 (1.06)1.00 (1.41)0.50 (0.93)0.63 (0.74)
Efficiency1.38 (1.51)1.00 (1.07)1.13 (1.55)1.00 (1.31)0.25 (0.71)
Disorders0.88 (0.35)1.38 (0.52)1.63 (0.74)1.50 (0.54)0.88 (0.35)
Medication0.00a (0.00)1.88b (1.55)1.25 (1.49)0.75 (1.39)0.00 (0.00)
Daytime sleepiness1.38 (0.52)1.00b (0.76)1.50 (0.93)1.88 (0.84)0.50 (0.54)

According to the one-way ANOVA (groups as between subjects factor) and post hoc tests at baseline: aMean is significantly different ( ) from the schizophrenia acupuncture group. bMean is significantly different ( ) from the healthy control group.