Place of mobile phone | Wakeup time | Sleep hours | Sleep quality | DTS | Mental health |
Bed side | 7.20 ± 0.48 | 6.88 ± 1.03 | 1.91 ± 0.32 | 15.06 ± 3.59 | 12.13 ± 2.30 |
(448) | (448) | (385) | (446) | (450) | |
Far from bed | 7.03 ± 0.53 | 7.08 ± 1.19 | 1.88 ± 0.37 | 15.45 ± 3.15 | 17.09 ± 3.41 |
(81) | (80) | (73) | (80) | (83) | |
Different room | 6.92 ± 0.25 | 6.56 ± 1.06 | 1.75 ± 0.46 | 15.13 ± 3.80 | 12.63 ± 2.00 |
(8) | (8) | (8) | (8) | (8) | |
Total | 7.17 ± 0.49 | 6.91 ± 1.06 | 1.90 ± 0.33 | 15.36 ± 3.64 | 12.22 ± 2.28 |
(537) | (535) | (466) | (534) | (541) | |
Kruskal-Wallis test | |||||
Wakeup time | Sleep hours | Sleep quality | DTS | Mental health | |
χ2-value | 11.334 | 2.943 | 7.598 | 11.334 | 3.113 |
df | 2 | 2 | 2 | 2 | 2 |
p value | 0.003** | 0.230 | 0.022* | <0.001*** | 0.211 |