Khosro Sadeghniiat-Haghighi,Zohreh Yazdi,Amir Mohammad Kazemifar.[J].Chin J Traumatol,2016,19(4):225-228. [doi]

Sleep quality in long haul truck drivers: A study on Iranian national data

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KeyWord: Accidents Traffic Sleep Motor vehicles Iran

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Author Name	Affiliation
Khosro Sadeghniiat-Haghighi	Occupational Sleep Research Center, Tehran University of Medical Sciences, Tehran, Iran
Zohreh Yazdi	Social Determinants of Health Research Center, Qazvin University of Medical Sciences, Qazvin, Iran
Amir Mohammad Kazemifar	Metabolic Disease Research Center, Qazvin University of Medical Sciences, Qazvin, Iran

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Abstract:

Purpose: Iran has a high rate of road traffic accidents. Poor quality of sleep brings about loss of attention, which is an important cause of road traffic accidents particularly in monotonous roads. The causes of poor quality of sleep in occupational drivers are multifactorial. The objective of the present study was to assess the prevalence of poor sleep quality among occupational drivers with rotating work schedules and analyze its different risk factors. Methods: 2200 professional long-haul truck drivers who had been referred to the Occupational Health Clinic for routine education course were invited. We obtained data from eight provinces from various parts of Iran during 2012e2013. Data were collected using a questionnaire including questions about demographic and job characteristics. Pittsburg Sleep Quality Index (PSQI) was used to assess drivers' sleep quality. Results: Mean working (driving) time was (9.3 ± 2.5) hours daily and (55.5 ± 18.29) hours weekly. About 23.5% of the drivers reported history of smoking, 14.5% had low job satisfaction and 60% had irregular work schedule. 16.4% of drivers had an accidents leading to injury during the past five years. The mean PSQI score was 4.2 ± 2.7; 54% had a PSQI>5 (poor quality of sleep). Multivariate logistic regression showed that smoking, job satisfaction, history of accidents, shift work and work hours per day were the most important risk factors for poor sleep quality. Conclusion: Results obtained from the current study showed a high prevalence of poor quality of sleep among professional drivers. It warrants more attention to this significant problem using some measures to improve working conditions in professional drivers, as well as health promotion interventions.

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