Impact of narrative support on stigma, anxiety, and depression in young and middle-aged patients undergoing maintenance hemodialysis

Table 5 Comparison of sleep quality, mean ± SD

Characteristics	Observation group (n = 85)	Control group (n = 73)	P1
Total PSQI score
Pre-intervention	8.71 ± 1.08	8.73 ± 1.09	0.908
Post-intervention	6.60 ± 1.94	8.11 ± 2.14	< 0.001
P2	< 0.001	0.029	-
Subjective sleep quality
Pre-intervention	1.13 ± 0.36	1.21 ± 0.42	0.199
Post-intervention	0.91 ± 0.37	0.95 ± 0.40	0.515
P2	< 0.001	< 0.001	-
Sleep latency
Pre-intervention	1.30 ± 0.43	1.28 ± 0.39	0.761
Post-intervention	1.01 ± 0.42	1.23 ± 0.46	0.002
P2	< 0.001	0.480	-
Sleep duration
Pre-intervention	0.98 ± 0.45	1.04 ± 0.44	0.417
Post-intervention	0.82 ± 0.41	1.19 ± 0.43	< 0.001
P2	0.016	0.039	-
Habitual sleep efficiency
Pre-intervention	1.41 ± 0.44	1.39 ± 0.46	0.781
Post-intervention	0.94 ± 0.39	1.30 ± 0.49	< 0.001
P2	< 0.001	0.255	-
Sleep disturbances
Pre-intervention	1.41 ± 0.37	1.38 ± 0.45	0.646
Post-intervention	1.04 ± 0.42	1.27 ± 0.48	0.002
P2	< 0.001	0.155	-
Use of sleep medications
Pre-intervention	1.06 ± 0.30	1.02 ± 0.26	0.376
Post-intervention	0.85 ± 0.39	0.90 ± 0.34	0.396
P2	< 0.001	0.018	-
Daytime dysfunction
Pre-intervention	1.42 ± 0.47	1.41 ± 0.39	0.886
Post-intervention	1.04 ± 0.42	1.26 ± 0.53	0.004
P2	< 0.001	0.053	-

¹Comparison between the observation and control groups.

²Within-group comparison of the pre- and post-intervention values.

PSQI: Pittsburgh Sleep Quality Index.