Objective To evaluate the quality of work life (QWL) and its influencing factors among offshore oil platform workers, and to provide a theoretical basis for improving QWL of the special occupational population.
Methods Using cluster random sampling method, we chose 382 employees from eight work platforms of a branch company of China National Offshore Oil Corporation as study subjects after a pilot survey. Questionnaires included a self-designed demographic questionnaire, Quality of Work Life Scale (QWL7-32), Occupational Stress Inventory Revised Edition (OSI-RS), Maslach Burnout Inventory-General Survey (MBI-GS), and Athens Insomnia Scale-5 (AIS-5).
Results A total of 324 workers were recruited in the study, and 7.8% of them showed low QWL with a total QWL score ≤ 95. The selected individual characteristics including age, marital status, educational level, monthly income, smoking, seniority, and work type did not impact the QWL score. The workers' QWL varied by levels of occupational stress, insomnia, and job burnout (P < 0.05). The results of structural equation model analysis demonstrated that occupational stress had the largest effect on QWL (total effect value, -0.305), followed by insomnia (-0.290) and job burnout (-0.175).
Conclusion The offshore oil platform workers show good QWL in general. Occupational stress, insomnia, and job burnout are risk factors of QWL in this occupational group.
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