Table 2.

PSQI scale score among midwives (n = 2,041).

Component	Overall	Good sleep (n = 814)	Poor sleep (n = 1,227)	t	p
Subjective sleep quality	1.51 ± 0.70	1.01 ± 0.47	1.85 ± 0.62	−34.68	<0.001
Sleep latency	1.7 ± 0.96	0.97 ± 0.72	2.18 ± 0.78	−35.91	<0.001
Sleep duration	1.26 ± 0.83	0.72 ± 0.64	1.61 ± 0.75	−28.49	<0.001
Sleep efficiency	0.91 ± 0.96	0.42 ± 0.65	1.23 ± 0.99	−22.05	<0.001
Sleep disturbance	1.21 ± 0.67	0.79 ± 0.5	1.48 ± 0.62	−27.83	<0.001
Sleep medication	0.13 ± 0.50	0.02 ± 0.17	0.21 ± 0.62	−10.24	<0.001
Daytime dysfunction	1.49 ± 1.05	0.66 ± 0.75	2.03 ± 0.84	−37.60	<0.001
PSQI global score	8.20 ± 3.64	4.59 ± 1.78	10.59 ± 2.37	−65.10	<0.001