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Table 1 Comparison of demographic, lifestyle and academic characteristics between good and poor sleepers according to the Pittsburgh Sleep Quality Index scale (n = 95)

From: A cross-sectional survey on sleep quality, mental health, and academic performance among medical students in Saudi Arabia

 

Sleep quality

p value

Good sleepers (n = 35), %

Poor sleepers (n = 60), %

Gender

 Male

82.9

71.7

0.219

 Female

17.1

28.3

Academic year

 PYP

14.3

23.3

0.465

 Preclinical years

60.0

48.3

 Clinical years

25.7

28.3

Dietary habits

 Unhealthy

51.4

65.0

0.193

 Healthy

48.6

35.0

Physical activity

 Inactive

22.9

48.3

0.014

 Active

77.1

51.7

Smoking

 No

85.7

90.0

0.529

 Yes

14.3

10.0

Screen time

 Up to 5 h

40.0

26.7

0.046

 Five to 10 h

51.4

43.3

 More than 10 h

8.6

30.0

Quran reading

 No

11.4

21.7

0.209

 Yes

88.6

78.3

Living condition

 Alone

8.6

16.7

0.528

 Roommate

71.4

63.3

 Family

20.0

20.0

Attendance

 Irregular

5.7

11.7

0.339

 Regular

94.3

88.3

Teamwork

 All the time

11.4

8.3

0.525

 Sometimes

85.7

83.3

 Not at all

2.9

8.3

GPA

 High achievers

37.1

58.3

0.046

 Low achievers

62.9

41.7