Reza Tabrizi Mahmood Moosazadeh Alireza Razzaghi Maryam Akbari Seyed Taghi Heydari Seyed Habibollah Kavari Arash Mani Maryam Kazemi Kamran Bagheri Lankarani


Background: Sleep Quality Disorder (SQD) plays a major role in road accidents. So, this study was carried out to determine the prevalence of SQD among occupational drivers using systematic review and meta-analysis in Iran.

Methods: All Persian and English articles between January, 2000 and October, 2015 which had reported the SQD prevalence in Iranian drivers by Pittsburgh Sleep Quality Index (PSQI) with cross-sectional design, after the quality evaluation process and achieving the required score, were selected. The heterogenic index of the studies was distinguished by using Cochran (Q) and I2 tests. Based on heterogeneity results, a random effects model was used to estimate pooled prevalence of SQD. Meta-regression was also used to investigate the heterogeneity of suspected factors. 

Results: In total, 936 articles were found from national and international databases. Ten articles entered to meta-analysis process, ultimately. Since heterogeneity index suggested that there is a considerable heterogeneity among the results of primary studies (I-squared = 98.8%, Q= 754.1, p<0.001), the overall estimation of SQD among Iranian drivers was conducted using random-effects model and its rate was estimated to be 53.4% (95% CI: 38.9-67.8).

Conclusion: Our in conclusion, our study demonstrated that more than half of Iranian drivers have SQD. Identifying the drivers with SQD by periodic examinations and providing advice and health care among occupational drivers could be appropriate solutions for decreasing the accident risks.


How to Cite
TABRIZI, Reza et al. Prevalence of Sleep Quality Disorder among Iranian Drivers: A Systematic Review and Meta-Analysis. Journal of Injury and Violence Research, [S.l.], v. 10, n. 1, jan. 2018. ISSN 2008-4072. Available at: <http://jivresearch.org/jivr/index.php/jivr/article/view/993>. Date accessed: 21 feb. 2018. doi: https://doi.org/10.5249/jivr.v10i1.993.
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