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