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A study on road traffic noise exposure and prevalence of insomnia

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Abstract

The potential of the nocturnal traffic noise to affect the quality and the quantity of sleep makes it a serious threat to public health. The present study is an attempt to provide insights into the ways through which nocturnal traffic noise causes insomnia. A total of 4525 respondents participated in the study. Modelled nocturnal noise levels were used, and the assessment of insomnia-related symptoms was done using the Jenkins sleep problem scale. A directed acyclic graph was used to obtain the minimum set of confounders that need to be adjusted for obtaining unbiased estimates. DASS-21 item scale was used to evaluate the mental health of respondents. The study reported significant associations between traffic noise exposure and all insomnia-related symptoms. For the total study population, the highest risk occurred for difficulty in falling asleep symptom (OR = 1.45; 95% CI = 1.01 – 2.07). Based on the sensitivity analysis, respondents with bedrooms facing the road were found to have higher risks as compared to the overall sample with the highest risks occurring for difficulty in maintaining the sleep symptom (OR = 1.65; 95% CI = 1.08 – 2.51). Severity levels of mental disorders showed an increasing trend with the increasing noise levels. Females were found to have a higher risk as compared to males (OR = 1.75; 95% CI = 1.14 – 2.69). No significant association was found between traffic noise exposure and sleep medication usage. Future research on large populations can help in minimizing the impacts of nocturnal noise on public health.

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Data availability

The datasets generated during the current study are not publicly available due to their usage in another study, which is part of the research work currently in progress, but is available from the corresponding author on reasonable request.

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Acknowledgements

The authors would like to thank the Traffic and Transportation planning section of the Department of Civil Engineering, NIT Srinagar, for providing the necessary logistics for conducting the study. We express a deep sense of gratitude to Mohammad Idrees Gilani for helping in data collection. The authors would also like to thank the anonymous reviewers for their valuable contribution in the form of suggestions and queries which resulted in enhancing the quality of the manuscript.

Funding

No funding was received for conducting this study.

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Authors and Affiliations

Authors

Contributions

TAG was associated with data collection, noise modelling, and article preparation work. MSM was associated with the review and correction process. All the authors read and approved the final manuscript.

Corresponding author

Correspondence to Towseef Ahmed Gilani.

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Ethics approval

The study was approved by the ethical committee at NIT Srinagar.

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Verbal consent was taken from all the participants of the survey.

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Not applicable.

Competing interests

The authors declare that they have no competing interests.

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Responsible Editor: Lotfi Aleya

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Gilani, T.A., Mir, M.S. A study on road traffic noise exposure and prevalence of insomnia. Environ Sci Pollut Res 29, 41065–41080 (2022). https://doi.org/10.1007/s11356-021-18291-8

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  • DOI: https://doi.org/10.1007/s11356-021-18291-8

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