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Table 2 Media presence in bedrooms shown as percentages, and computer use and TV viewing shown as means (hh:mm/day) and standard deviations (SD) (hh:mm) among Finnish schoolchildren in 2006 (n = 327–353)†

From: Do computer use, TV viewing, and the presence of the media in the bedroom predict school-aged children’s sleep habits in a longitudinal study?

  % or mean SD Difference between genders, p-values*
Girls (n = 163–181)†    
Computer in bedroom yes % 28   
Television in bedroom yes % 29   
Boys (n = 161–172)†    
Computer in bedroom yes % 57   
Television in bedroom yes % 48   
All (n = 327–353)†    
Computer in bedroom yes % 43   ≤0.001
Television in bedroom yes % 39   ≤0.001
Girls (n = 178–181)†    
Computer use (hh:mm/day) 0:49 0:52  
Television viewing (hh:mm/day) 1:18 0:58  
Boys (n = 169–172)†    
Computer use (hh:mm/day) 1:11 1:02  
Television viewing (hh:mm/day) 1:15 0:56  
All (n = 348–353)†    
Computer use (hh:mm/day) 0:59 0:58 ≤0.001
Television viewing (hh:mm/day) 1:17 0:57  
  1. † Range of respondents in the analyses.
  2. *Chi-square test for media presence and independent samples t-test for computer use and TV viewing.