Item

PSQI total

score

Sleep quality

Sleep onset time

Sleep

duration

Sleep

efficiency

Sleep

disorders

Sleep medications

Daytime

dysfunction

Mobile phone

Addiction

6.15 ± 2.84

0.89 ± 0.83

1.03 ± 0.87

0.80 ± 0.56

0.65 ± 0.98

1.09 ± 0.55

0.31 ± 0.61

1.38 ± 0.91

Non-mobile phone addiction

5.86 ± 3.61

1.04 ± 0.82

0.76 ± 0.78

0.76 ± 0.56

0.42 ± 0.71

1.05 ± 0.71

0.41 ± 0.91

1.40 ± 0.10

t

0.70

−1.49

2.59

0.55

2.12

0.42

−1.09

−0.24

P

0.48

0.14

0.01

0.59

0.04

0.68

0.28

0.82