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Table 2 Prevalence of sleep disturbance according to gender and Young Diagnostic Questionnaire score

From: Relationship between internet addiction and sleep disturbance in high school students: a cross-sectional study

Gender

YDQ score

n

Sleep disturbance

%

95% CI

Boys

 

≤ 2

1776

38.6

36.3–40.9

 

3–4

610

57.7

53.8–61.6

 

≥ 5

249

70.3

64.6–76.0

Girls

 

≤ 2

1501

44.5

42.0–47.0

 

3–4

739

63.9

60.4–67.4

 

≥ 5

389

78.4

74.3–82.5

  1. Abbreviations: CI confidence interval, YDQ Young Diagnostic Questionnaire
  2. The YDQ scores are interpreted as follows: ≤ 2, no Internet addiction; 3–4, at risk of Internet addiction; ≥ 5, Internet addiction