Abstract:
Objective To investigate occupational stress and sleep quality of oilfield workers in Xinjiang, evaluate the correlation between them, and to provide a theoretical foundation for implementing relevant interventions in the future.
Methods By cluster sampling method, 2 600 oilfield workers were selected from an oil company in Karamay, Xinjiang. A questionnaire survey was conducted using Occupational Stress Inventory Revised Edition (OSI-R) and Pittsburgh Sleep Quality Index (PSQI).
Results A total of 2 416 (92.9%) valid questionnaires were collected. Males and smokers showed higher occupational role scores than females and non-smokers, respectively (P < 0.05). Married workers showed a higher personal strain score than unmarried workers (P < 0.05). Workers aged > 45 years and boiler operators showed higher personal resource scores than those aged 30-45 years and oil drilling workers, respectively (P < 0.05). The incidence rate of sleep disorders in the oilfield workers was 37.21% (445 males, 36.48%; 454 females, 37.96%). There was a significant difference in the incidence rate of sleep disorders among the workers assigned different work shifts and job titles (P < 0.05). Workers with different occupational stress levels presented significant differences in PSQI total score, subjective sleep quality, sleep disorders, and daytime dysfunction (P < 0.05).
Conclusion Oilfield workers' levels of occupational stress and sleep disorders are affected by individual characteristics. Higher le vels of occupational stress are associated with more severe sleep disorders. Comprehensive intervention measures are required to improve the sleep quality of the workers.
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