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Association between the Effect of Noise on Study and Sleep.
| Sleep | Study/n (%) |
Total | χ 2 | P | ||
|---|---|---|---|---|---|---|
| 0 | 1 | 2 | ||||
| 0 | 40 (30.5) | 22 (16.8) | 69 (52.7) | 131 | 93.695 | <0.001* |
| 1 | 52 (75.4) | 11 (15.9) | 6 (8.7) | 69 | ||
| 2 | 143 (71.1) | 37 (18.4) | 21 (20.4) | 201 | ||
| Total | 235 (58.6) | 70 (17.5) | 96 (23.9) | 401 | ||
* p < 0.05.
