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Table 4 Linear regression analyses separately for boys (n = 161–172)† and girls (n = 163–181)† for variables indicating interaction with gender

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?

 

Boys

 

Girls

 
 

Model 1

Model 2

Model 1

Model 2

 

B-coefficient [95% CI]

B-coefficient [95% CI]

B-coefficient [95% CI]

B-coefficient [95% CI]

 

Television in the bedroom (yes/no)

 

Television in the bedroom (yes/no)

 

Bedtime school day (hh:mm)

0.25 [0.05-0.44*]

0.26 [0.09-0.43**]

−0.015 [−0.21-0.18]

−0.06 [−0.23-0.11]

Bedtime weekends (hh:mm)

0.38 [0.09-0.66**]

0.30 [0.07-0.53*]

−0.034 [−0.30-0.23]

−0.10 [−0.33-0.12]

Sleep duration weekends (hh:mm/day)

−0.12 [−0.47-0.24]

−0.197 [−0.53-0.14]

0.44 [0.10-0.77**]

0.45 [0.14-0.76**]

Discrepancy in sleep duration (hh:mm)

0.05 [−0.31-0.42]

0.011 [−0.32-0.34]

0.45 [0.12-0.78**]

0.38 [0.06-0.70*]

 

Computer in the bedroom (yes/no)

 

Computer in the bedroom (yes/no)

 

Bedtime school day (hh:mm)

0.26 [0.07-0.44**]

0.20 [0.03-0.37*]

−0.02 [−0.23-0.18]

−0.05 [−0.23-0.14]

Bedtime weekends (hh:mm)

0.49 [0.21-0.77***]

0.32 [0.10-0.56**]

−0.04 [−0.32-0.24]

−0.05 [−0.30-0.19]

Bedtime discrepancy (hh:mm)

0.28 [0.03-0.52*]

0.20 [−0.02-0.41]

−0.01 [−0.24-0.23]

0.02 [−0.20-0.24]

 

Television viewing (hh:mm/day)

 

Television viewing (hh:mm/day)

 

Bedtime discrepancy (hh:mm)

−0.09 [−0.22-0.04]

−0.06 [−0.18-0.05]

0.06 [−0.04-0.17]

0.02 [−0.08-0.12]

  1. † Range of respondents in the analyses.
  2. CI confidence interval.
  3. Model 1: adjusted for grade and family structure.
  4. Model 2: adjusted for grade, family structure and corresponding sleep variable 2006.
  5. *<0.05, **<0.01, ***<0.001.
  6. All independent variables are included separately in the models.