Table 3.
The correlations between the scores of SAS and the other scale scores
| SAS | ||
| r | p | |
| Age | −0.189 | 0.003 |
| BDI | 0.267 | <0.001 |
| BAI | 0.276 | <0.001 |
| Subjective sleep quality | 0.138 | 0.030 |
| Sleep latency | 0.092 | 0.149 |
| Sleep duration | −0.091 | 0.153 |
| Sleep efficiency | 0.012 | 0.853 |
| Sleep disturbances | 0.153 | 0.016 |
| Use of sleep medication | −0.016 | 0.799 |
| Daytime dysfunction | 0.244 | <0.001 |
| PSQI global score | 0.156 | 0.014 |
SAS: Smartphone Addiction Scale, BDI: Beck Depression Inventory, BAI: Beck Anxiety Inventory, PSQI: Pittsburgh Sleep Quality Index