Table 3 The associations examined by linear regression analyses between baseline computer use (hh:mm/day), TV viewing (hh:mm/day), media presence in bedroom (yes/no) and sleep habits (hh:mm/day) eighteen-months later among Finnish school-aged children (n = 327–353)†
Model 1 | Model 2 | |||
|---|---|---|---|---|
B-coefficient | 95% CI | B-coefficient | 95% CI | |
Computer in bedroom | ||||
Sleep duration school days | −0.15 | −0.31-0.01 | −0.11 | −0.27-0.04 |
Sleep duration weekends | −0.01 | −0.25-0.24 | −0.04 | −0.26-0.19 |
Bedtime school day | 0.13 | −0.01-0.27 | 0.09 | −0.04-0.21 |
Bedtime weekend | 0.25 | 0.05-0.45* | 0.16 | −0.01-0.33 |
Discrepancy of bedtime school days and at weekends | 0.15 | −0.02-0.32 | 0.12 | −0.03-0.27 |
Discrepancy in sleep duration school and at weekends | 0.15 | −0.11-0.40 | 0.07 | −0.17-0.3 |
Television in bedroom | ||||
Sleep duration school day | −0.09 | −0.26-0.07 | −0.09 | −0.24-0.07 |
Sleep duration weekends | −0.14 | −0.10-0.39 | 0.11 | −0.12-0.34 |
Bedtime school day | 0.12 | −0.02-0.26 | 0.10 | −0.02-0.23 |
Bedtime weekends | 0.18 | −0.01-0.38 | 0.11 | −0.06-0.27 |
Discrepancy of bedtime school day and at weekends | 0.08 | −0.08-0.24 | −0.02 | −0.13-0.16 |
Discrepancy in sleep duration school day and at weekends | 0.24 | −0.01-0.48 | 0.19 | −0.04-0.42 |
Computer use | ||||
Sleep duration school day | −0.18 | −0.26-(−)0.10*** | −0.14 | −0.22-(−)0.07*** |
Sleep duration weekends | −0.09 | −0.21-0.032 | −0.09 | −0.20-0.02 |
Bedtime school day | 0.19 | 0.13-0.26*** | 0.14 | 0.08-0.20*** |
Bedtime weekends | 0.19 | 0.09-0.29*** | 0.12 | 0.04-0.20** |
Discrepancy of bedtime school day and at weekends | −0.004 | −0.08-0.07 | 0.004 | −0.07-0.07 |
Discrepancy in sleep duration school day and at weekends | 0.10 | −0.02-0.22 | 0.06 | −0.05-0.17 |
Television viewing | ||||
Sleep duration school day | −0.09 | −0.17-(−)0.01* | −0.07 | −0.14-0.01 |
Sleep duration weekends | −0.01 | −0.13-0.11 | −0.01 | −0.12-0.11 |
Bedtime school day | 0.10 | 0.04-0.17** | 0.07 | 0.01-0.13* |
Bedtime weekends | 0.10 | −0.001-0.20 | 0.04 | −0.04-0.13 |
Discrepancy of bedtime school day and at weekends | −0.01 | −0.09-0.07 | −0.02 | −0.09-0.05 |
Discrepancy in sleep duration school day and at weekends | 0.09 | −0.03-0.21 | 0.08 | −0.04-0.19 |