Environmental tobacco smoke exposure among non-smoking waiters: measurement of expired carbon monoxide levels
| Autor: | Ronaldo Laranjeira, Sandra Pillon, John Dunn |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2000 |
| Předmět: | |
| Zdroj: | São Paulo Medical Journal, Vol 118, Iss 4, Pp 89-92 (2000) |
| Druh dokumentu: | article |
| ISSN: | 1806-9460 1516-3180 |
| DOI: | 10.1590/S1516-31802000000400003 |
| Popis: | CONTEXT: Exposure to environmental tobacco smoke is a health risk that is of concern to patrons and of particular concern to employees of restaurants and bars. OBJECTIVE: To assess environmental tobacco smoke exposure (using expired carbon monoxide levels) in non-smoking waiters before and after a normal day's shift and to compare pre-exposure levels with non-smoking medical students. DESIGN: An observational study. SETTING: Restaurants with more than 50 tables or 100 places in São Paulo. SUBJECTS: 100 non-smoking restaurant waiters and 100 non-smoking medical students in São Paulo, Brazil. MAIN MEASUREMENTS: Levels of expired carbon monoxide, measured with a Smokerlyser (Bedfont EC 50 Scientific), before and after a normal day's work. RESULTS: Waiters' pre-exposure expired carbon monoxide levels were similar to those of medical students, but after a mean of 9 hours exposure in the workplace, median levels more than doubled (2.0 ppm vs. 5.0 ppm, P |
| Databáze: | Directory of Open Access Journals |
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