Whether to have something to relieve stress

N

Mean ± SD

T score

P value

Age (years)

Have

280

28.5 ± 6.0

−2.842

0.005

Not have

119

30.9 ± 8.1

Minutes of sleep (minutes)

Have

279

365.3 ± 65.5

1.632

0.104

Not have

119

353.7 ± 63.1

Times on sleep before a night shift (minutes)

Have

278

538.9 ± 115.9

1.060

0.290

Not have

119

524.9 ± 131.9

Levels of stress, VAS (mm)

Have

280

68.3 ± 22.2

−0.495

0.621

Not have

119

69.5 ± 20.9

Levels of fatigue, VAS (mm)

Have

280

71.7 ± 20.3

0.445

0.656

Not have

119

70.8 ± 18.9

Levels of health, VAS (mm)

Have

280

54.7 ± 21.7

2.727

0.007

Not have

119

48.4 ± 20.4

Times to get to sleep (minutes)

Have

279

23.5 ± 19.7

−3.207

0.001

Not have

117

30.9 ± 23.2

PSQI score

Have

253

5.9 ± 2.3

−2.560

0.011

Not have

111

6.6 ± 2.5