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Article History

Received: 24 November 2018

Accepted: 5 July 2019

First Online: 5 August 2019

Ethics approval and consent to participate

: Ethical clearance was obtained from the Ethical Review Committee of Institute of Public Health, College of Medicine and Health Sciences, University of Gondar. Permission was also obtained from each building construction industry site manager. Those building construction workers in Dessie town, who were selected to participate, were informed about the purpose of the study, the importance of their participation. Verbal and written consents were obtained after explaining their full right to refuse, withdraw any time, without any explaining or giving reasons. Information’s obtained from individuals participants were kept secure and confidential. Names and other identifying data of respondents were made by using code throughout the study process to obtain confidentiality.

: Not applicable.

: The authors declare that they have no competing interests.