01 August 2020: Clinical Research
Effects of Occupational Stress and Circadian CLOCK Gene Polymorphism on Sleep Quality of Oil Workers in Xinjiang, China
Li Ning 1BCDEF* , Lingyun Shi 2BCDEF* , Ning Tao 1BC , Rong Li 1BC , Ting Jiang 1BC , Jiwen Liu 1ABEG*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; ## | ||||||||||