Second-Hand Tobacco Smoke Exposure: Results of Particulate Matter (PM 2.5 ) Measurements at Hospitality Venues in Addis Ababa, Ethiopia

Selamawit Hirpa (), Noreen Dadirai Mdege, Terefe Gelibo Argefa, Yifokire Tefera, Selam Abraham Kassa, Winnie Awuor and Wakgari Deressa
Additional contact information
Selamawit Hirpa: Department of Preventive Medicine, School of Public Health, Addis Ababa University, Addis Ababa P.O. Box 9086, Ethiopia
Noreen Dadirai Mdege: Department of Health Sciences, University of York, York YO10 5DD, UK
Terefe Gelibo Argefa: Development Gateway: An IREX Venture, 1100 13th St NW, Suite 800, Washington, DC 20005, USA
Yifokire Tefera: Department of Preventive Medicine, School of Public Health, Addis Ababa University, Addis Ababa P.O. Box 9086, Ethiopia
Selam Abraham Kassa: Development Gateway: An IREX Venture, 1100 13th St NW, Suite 800, Washington, DC 20005, USA
Winnie Awuor: Development Gateway: An IREX Venture, 1100 13th St NW, Suite 800, Washington, DC 20005, USA
Wakgari Deressa: Department of Preventive Medicine, School of Public Health, Addis Ababa University, Addis Ababa P.O. Box 9086, Ethiopia

IJERPH, 2024, vol. 21, issue 8, 1-12

Abstract: Introduction: In Ethiopia, a comprehensive smoke-free law that bans smoking in all public areas has been implemented since 2019. This study aimed to evaluate compliance with these laws by measuring the air quality and conducting covert observations at 154 hospitality venues (HVs) in Addis Ababa. Methods: Indoor air quality was measured using Dylos air quality monitors during the peak hours of the venues, with concentrations of particulate matter <2.5 microns in diameter (PM 2.5 ) used as a marker of second-hand tobacco smoke. A standardized checklist was used to assess compliance with smoke-free laws during the same peak hours. The average PM 2.5 concentrations were classified as good, moderate, unhealthy for sensitive groups, unhealthy for all, or hazardous using the World Health Organization’s (WHO) standard air quality index breakpoints. Results: Only 23.6% of the venues complied with all smoke-free laws indicators. Additionally, cigarette and shisha smoking were observed at the HVs. Overall, 63.9% (95% confidence interval: 56–72%) of the HVs had PM 2.5 concentrations greater than 15 µg/m 3 . The presence of more than one cigarette smoker in the venue, observing shisha equipment in the indoor space, and the sale of tobacco products in the indoor space were significantly associated with higher median PM 2.5 concentration levels ( p < 0.005). Hazardous level of PM 2.5 concentrations—100 times greater than the WHO standard—were recorded at HVs where several people were smoking shisha and cigarettes. Conclusions: Most HVs had PM 2.5 concentrations that exceeded the WHO average air quality standard. Stricter enforcement of smoke-free laws is necessary, particularly for bars and nightclubs/lounges.

Keywords: second-hand smoke exposure; PM 2.5; hospitality venues (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
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