Air pollutants associated with smoking in indoor/outdoor of waterpipe cafés in Tehran, Iran: Concentrations, affecting factors and health risk assessment

Scientific Reports
Mohammad Reza MasjediHossein Arfaeinia

Abstract

Despite increasingly growth in waterpipe smoking in Tehran, so far no study has been conducted on the air quality of the waterpipe and cigarette cafés. Thirty-six cafés were selected and the concentration of three pollutants including formaldehyde, carbon monoxide and nicotine were measured in both indoor and outdoor air of cafés two times (week-day and weekend's session). Air sampling was performed for 180 min for each pollutant. It was observed that the concentration of pollutants inside the cafés was higher during weekend session (with a higher number of "active waterpipe heads") compared with findings during the week-day sessions. Furthermore, the concentration of pollutants in the indoor air of the cafés was significantly higher than that of the outdoors (p < 0.05). According to path analysis, the number of "active waterpipe heads" had the maximum impact on generation of pollutants inside the cafés, followed by the type of tobacco as the second influential factor. The average of lifetime cancer risk (LTCR) resulted by formaldehyde exposure through inhalation in waterpipe (WS), cigarette (CS), waterpipe and cigarette (WCS) and none-smoking (NS) cafés in week-day and weekend sessions were estimated to be 111 × 10-5 and 61.2 ...Continue Reading

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Citations

Jul 11, 2019·Environmental Science and Pollution Research International·Kazem NaddafiMehdi Fazlzadeh
Jun 20, 2020·Journal of Exposure Science & Environmental Epidemiology·Roohollah RostamiBehzad Saranjam
May 18, 2019·Environmental Science and Pollution Research International·Kazem NaddafiMehdi Fazlzadeh
Nov 14, 2020·International Journal of Environmental Research and Public Health·Tomoyasu Hirano, Teiji Takei
Jun 6, 2021·Environmental Science and Pollution Research International·Mohammad Ebrahimi KalanMehdi Fazlzadeh

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