Table 3.
Inter-group comparison of sleep disturbances, n (%)
|
Indicators
|
Research group (n = 86)
|
Control group (n = 77)
|
χ
2
|
P value
|
| Difficulty in falling asleep for the first time | 3 (3.49) | 7 (9.09) | - | - |
| Difficulty in falling asleep again after waking up frequently at night | 2 (2.33) | 8 (10.39) | - | - |
| Difficulty in falling asleep again after waking up early | 2 (2.33) | 5 (6.49) | - | - |
| Difficulty in falling asleep all night | 0 (0.00) | 3 (3.90) | - | - |
| Total | 7 (8.14) | 23 (29.87) | 12.771 | < 0.001 |
The inter-group comparison of categorical data was conducted using the χ2 test.