n = 226 | ||||||
Sleep quality (points) | Watching TV (hour) | Using internet (hour) | Playing game (hour) | Length of sleep (hour) | Age (years) | |
Body temperature | 0.03n.s. | 0.07n.s. | −0.01n.s. | −0.11n.s. | 0.04n.s. | −0.17* |
Sleep quality | - | 0.13* | 0.03n.s. | 0.12n.s. | −0.10n.s. | −0.07n.s. |
Watching TV | - | −0.02n.s. | 0.22** | −0.28*** | 0.08n.s. | |
Using internet | - | 0.25*** | −0.15* | 0.30*** | ||
Playing game | - | −0.18** | 0.13* | |||
Length of sleep | - | -0.37*** |