Occupational and psychosocial correlates of sleep disturbance among Chinese expatriate employees in Iraq’s Maysan oilfields: a cross-sectional study using regression and network analysis - Takeaways - MDSpire

Occupational and psychosocial correlates of sleep disturbance among Chinese expatriate employees in Iraq’s Maysan oilfields: a cross-sectional study using regression and network analysis

  • By

  • Ziming Liu

  • Meihui Li

  • Chuanjiang Yang

  • Chun’e Zhang

  • Gonglu Gu

  • Yiran Zhang

  • Hongye Liu

  • Jing Du

  • Yi Fu

  • Shun Han

  • Qingwei Li

  • June 10, 2026

  • 0 min

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  • 1

    A cross-sectional survey of 917 Chinese expatriate oilfield employees in Iraq assessed sleep quality and related psychosocial factors.

  • 2

    The prevalence of sleep disturbance was 11.9% using PSQI > 7 and 25.2% using PSQI > 5, with 61.3% reporting sleep-related concern.

  • 3

    Poorer sleep quality was linked to higher educational attainment, depressive symptoms, occupational stress, emotional exhaustion, and environmental stress.

  • 4

    Network analysis revealed that subjective sleep quality and daytime dysfunction were the most central domains affecting overall sleep quality.

  • 5

    Findings highlight the need for targeted interventions to improve sleep health among Chinese expatriate workers in challenging environments.

Original Source(s)

Occupational and psychosocial correlates of sleep disturbance among Chinese expatriate employees in Iraq’s Maysan oilfields: a cross-sectional study using regression and network analysis

  • by Ziming Liu, Meihui Li, Chuanjiang Yang, Chun’e Zhang, Gonglu Gu, Yiran Zhang, Hongye Liu, Jing Du, Yi Fu, Shun Han, Qingwei Li

  • June 10, 2026

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