01 August 2020 : Clinical Research
Effects of Occupational Stress and Circadian CLOCK Gene Polymorphism on Sleep Quality of Oil Workers in Xinjiang, China
Li Ning1BCDEF, Lingyun Shi2BCDEF, Ning Tao1BC, Rong Li1BC, Ting Jiang1BC, Jiwen Liu1ABEG*DOI: 10.12659/MSM.924202
Med Sci Monit 2020; 26:e924202
Table 10 Comparison of the sleep quality of Xinjiang oil workers in different occupational stress groups.
| Index | Low-stress group | Medium stress group | High-stress group | F/χ2 | P |
|---|---|---|---|---|---|
| Cases | 152 | 1213 | 751 | – | – |
| PSQI score | 5.44±3.53 | 6.40±3.73# | 6.70±4.19# | 11.037 | |
| Subjective sleep quality | 0.95±0.87 | 1.24±0.87# | 1.24±0.93# | 14.911 | |
| Sleep latency | 1.18±0.89 | 1.35±0.96 | 1.37±0.98 | 4.655 | 0.098 |
| Sleeping duration | 1.05±0.94 | 1.07±0.93 | 1.16±0.96 | 2.502 | 0.082 |
| Sleep efficiency | 0.24±0.61 | 0.20±0.49 | 0.26±0.58 | 3.921 | 0.141 |
| Sleep disorder | 0.89±0.69 | 1.12±0.72# | 1.13±0.72# | 7.315 | 0.001 |
| Hypnotic drugs | 0.23±0.58 | 0.26±0.63 | 0.31±0.70 | 2.442 | 0.295 |
| Daytime dysfunction | 0.90±0.82 | 1.16±0.91# | 1.23±0.98# | 14.729 | |
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