Table 5.
Association of different degrees of internet addiction with the five components of Pittsburgh sleep quality index
| Components of sleep quality | Internet addiction category | P* | |||
|---|---|---|---|---|---|
|
| |||||
| Normal, n (%) | Mild, n (%) | Moderate, n (%) | Severe, n (%) | ||
| Sleep latency (min) | |||||
| ≤15 | 9 (26.5) | 17 (50.0) | 4 (11.8) | 4 (11.8) | 0.002** |
| 16-30 | 16 (12.6) | 67 (52.8) | 25 (19.7) | 19 (15.0) | |
| 31-60 | 30 (15.4) | 63 (32.3) | 48 (24.6) | 54 (27.7) | |
| >60 | 12 (10.1) | 46 (38.7) | 26 (21.8) | 35 (29.4) | |
| Sleep duration (h) | |||||
| >7 | 32 (14.9) | 87 (40.5) | 51 (23.7) | 45 (20.9) | 0.589 |
| 6-7 | 16 (11.0) | 59 (40.7) | 29 (20.0) | 41 (28.3) | |
| 5-6 | 13 (20.6) | 27 (42.9) | 10 (15.9) | 13 (20.6) | |
| <5 | 6 (11.5) | 20 (38.5) | 13 (25.0) | 13 (25.0) | |
| Sleep efficiency (%) | |||||
| >85 | 7 (21.9) | 14 (43.8) | 4 (12.5) | 7 (21.9) | 0.767 |
| 75-84 | 37 (15.0) | 100 (40.7) | 51 (20.7) | 58 (23.6) | |
| 65-74 | 14 (10.4) | 55 (41.0) | 31 (23.1) | 34 (25.4) | |
| <65 | 9 (14.3) | 24 (38.1) | 17 (27.0) | 13 (20.6) | |
| Sleep disturbance | |||||
| 0 | 22 (40.0) | 15 (27.3) | 11 (20.0) | 7 (12.7) | 0.000*** |
| 1-9 | 39 (12.5) | 148 (47.4) | 78 (25.0) | 47 (15.1) | |
| 10-18 | 6 (5.6) | 30 (28.0) | 14 (13.1) | 57 (53.3) | |
| 19-27 | 0 | 0 | 0 | 1 (100) | |
| Daytime dysfunction | |||||
| 0 | 30 (24.0) | 43 (34.4) | 32 (25.6) | 20 (16.0) | 0.000*** |
| 1-2 | 12 (8.3) | 76 (52.4) | 24 (16.6) | 33 (22.8) | |
| 3-4 | 14 (12.3) | 49 (43.0) | 33 (28.9) | 18 (15.8) | |
| 5-6 | 11 (12.1) | 25 (27.5) | 14 (15.4) | 41 (45.1) | |
*Chi-square test,**Significant, ***Highly significant