Objective:

To investigate sleep quality and related concerns among Chinese expatriate oilfield employees in Iraq, estimate the prevalence of sleep disturbances, and examine the occupational, psychological, and social correlates of sleep quality.

Approach:

Key Findings:

• Median global PSQI score was 3 (IQR 1–6).
• Sleep disturbance prevalence was 11.9% (95% CI 9.7%–14.3%) (PSQI > 7) and 25.2% (95% CI 22.3%–28.3%) (PSQI > 5).
• 61.3% reported sleep-related concern on the GHQ-12.
• Poorer sleep quality was associated with higher educational attainment, more depressive symptoms, higher occupational stress, greater emotional exhaustion, and greater environmental stress.
• Subjective sleep quality and daytime dysfunction had the highest centrality among PSQI domains.

Interpretation:

Self-reported sleep quality was relatively good, but subclinical sleep problems and concerns were common, linked to various psychosocial and occupational factors, indicating a need for targeted interventions.

Limitations:

• Cross-sectional design limits causal inferences.
• Self-reported measures may introduce bias, and cultural factors may influence responses.

Conclusion:

The study highlights the need for improved sleep health management among Chinese expatriate oilfield workers in Iraq.

Source

Based on findings from:

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

Ziming Liu, Meihui Li, Chuanjiang Yang, Chun’e Zhang, Gonglu Gu, Yiran Zhang, Hongye Liu, Jing Du, Yi Fu, Shun Han, Qingwei Li. Frontiers In Psychiatry, 2026.

https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2026.1845239/full

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