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 7 Comparison of occupational stress score in the population with different demographic characteristics.
| Items | Occupational role | Personal strain | Personal resources | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| t/F/χ2 | P | t/F | P | t/F/χ2 | P | |||||
| Sex | Male (n=1020) | 174.80±25.81 | 4.017 | 106.42±17.01 | 0.252 | 0.801 | 124.59±20.95 | −1.098 | 0.272 | |
| Female (n=1096) | 170.51±23.12 | 106.24±16.51 | 125.58±20.95 | |||||||
| Age | ≤30 years old (n=385) | 173.54±23.08 | 0.450 | 0.638 | 105.82±15.67 | 0.421 | 0.656 | 125.46±20.36 | 3.558 | |
| 30~45 years old (n=1122) | 172.18±24.39# | 106.63±17.07 | 124.06±20.28 | |||||||
| Ethnic group | >45 years old (n=609) | 172.70±25.70 | 106.09±16.83 | 126.80±21.47 | ||||||
| Han (n=1560) | 172.2±24.84 | −0.962 | 0.336 | 106.72±16.80 | 1.806 | 0.071 | 124.92±20.84 | −0.675 | 0.500 | |
| Minority (n=556) | 173.43±23.69 | 105.23±16.58 | 125.61±20.18 | |||||||
| Education | Below junior college (n=786) | 172.00±25.10 | −0.824 | 0.410 | 105.64±16.13 | −1.460 | 0.144 | 124.22±20.12 | −1.505 | 0.132 |
| Junior college and above (n=1330) | 172.91±24.21 | 106.74±17.10 | 125.62±20.97 | |||||||
| Marriage status | Unmarried (n=275) | 173.70±21.43 | 0.814 | 0.416 | 104.37±16.39 | −2.078 | 124.50±20.62 | −0.517 | 0.605 | |
| Married (n=1841) | 172.41±24.97 | 106.62±16.79 | 125.19±20.68 | |||||||
| Income | ≤3500 (n=733) | 172.85±24.86 | 0.382 | 0.703 | 106.78±16.14 | 0.900 | 0.368 | 125.05±20.77 | −0.084 | 0.933 |
| >3500 (n=1383) | 172.43±24.38 | 106.09±17.07 | 125.13±20.62 | |||||||
| Length of service | ≤15 years (n=765) | 173.07±23.92 | 0.693 | 0.489 | 106.42±16.16 | 0.198 | 0.843 | 124.96±20.43 | −0.246 | 0.806 |
| >15 years (n=1351) | 172.30±24.89 | 106.27±17.08 | 125.19±20.81 | |||||||
| Work type | Oil production (n=253) | 171.18±27.15 | 0.707 | 0.702 | 105.95±14.81 | 0.977 | 0.377 | 123.32±21.67 | 6.791 | |
| Oil delivery (n=737) | 173.34±21.20## | 105.73±16.89 | 124.17±18.24 | |||||||
| Stoker (n=1126) | 172.38±25.93 | 106.80±17.07 | 126.11±21.86 | |||||||
| Professional titles | Medium grade and below (n=1208) | 172.17±23.73 | −0.864 | 0.388 | 106.73±16.63 | 1.289 | 0.198 | 125.46±20.69 | 0.916 | 0.360 |
| Senior (n=908) | 173.11±25.58 | 105.79±16.90 | 124.63±20.64 | |||||||
| Work shifts | Fixed day shift (n=775) | 174.00±25.28 | 2.378 | 0.093 | 105.95±16.60 | 0.346 | 0.708 | 126.19±20.58 | 2.375 | 0.093 |
| Regular shift (n=1180) | 171.56±24.21 | 106.50±16.64 | 124.23±20.87 | |||||||
| Irregular shift (n=161) | 173.18±23.10 | 106.88±18.33 | 126.27±19.42 | |||||||
| Smoking | Yes (n=722) | 174.51±26.82 | 2.495 | 106.28±16.58 | −0.094 | 0.925 | 123.98±20.95 | −1.793 | 0.073 | |
| No (n=1394) | 171.57±23.22 | 106.35±16.85 | 125.68±20.51 | |||||||
| Drinking | Yes (n=1112) | 173.29±24.87 | 1.404 | 0.160 | 106.52±16.57 | 0.587 | 0.396 | 124.55±20.40 | 0.197 | 0.900 |
| No (n=1004) | 171.79±24.16 | 106.12±16.96 | 125.71±20.95 | |||||||
| # 45 years old groups; ## | ||||||||||






