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. 2013 Sep 30;3(2):110–116.

Table 2.

Association between PSQI and night shift work

PSQI Night shift work p-value

No Yes
Global score 5.42 ± 3.05 6.27 ± 3.21 0.01
Subjective sleep quality 0.73 ± 0.63 0.95 ± 0.65 0.02
Sleep latency 0.79 ± 0.85 0.84 ± 0.87 0.58
Sleep duration 0.77 ± 0.70 0.98 ± 0.78 0.01
Habitual sleep efficiency 0.55 ± 1.05 0.83 ± 1.28 0.02
Sleep disturbance range 1.23 ± 0.52 1.24 ± 0.59 0.77
Use of sleep medicine 0.45 ± 0.96 0.55 ± 1.08 0.37
Daytime dysfunction 0.75 ± 0.63 0.97 ± 0.68 0.03

PSQI: Pittsburgh sleep quality inventory.