Assessing progress in protecting non-smokers from secondhand smoke

Tobacco Control
S SempleJohn W Cherrie

Abstract

To examine trends in population exposure to secondhand smoke (SHS) and consider two exposure metrics as appropriate targets for tobacco control policy-makers. Comparison of adult non-smokers' salivary cotinine data available from 11 Scottish Health Surveys between 1998 and 2016. The proportions of non-smoking adults who had measurable levels of cotinine in their saliva were calculated for the 11 time points. The geometric mean (GM) concentrations of cotinine levels were calculated using Tobit regression. Changes in both parameters were assessed for the whole period and also for the years since implementation of smoke-free legislation in Scotland in 2006. Salivary cotinine expressed as a GM fell from 0.464 ng/mL (95% CI 0.444 to 0.486 ng/mL) in 1998 to 0.013 ng/mL (95% CI 0.009 to 0.020 ng/mL) in 2016: a reduction of 97.2%. The percentage of non-smoking adults who had no measurable cotinine in their saliva increased by nearly sixfold between 1998 (12.5%, 95% CI 11.5% to 13.6%) and 2016 (81.6%, 95% CI 78.6% to 84.6%). Reductions in population exposure to SHS have continued even after smoke-free legislation in 2006. Scotland has witnessed a dramatic reduction in SHS exposure in the past two decades, but there are still nearly one ...Continue Reading

References

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Jan 28, 2016·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·Angela Jackson-MorrisSean Semple
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Citations

Sep 7, 2019·Canadian Journal of Public Health = Revue Canadienne De Santé Publique·Ela RydzCheryl Elizabeth Peters
May 20, 2020·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·C NwosuS Semple
Jul 28, 2019·International Journal of Environmental Research and Public Health·Yvonne LairdJohn McAteer
Apr 7, 2021·Annals of Work Exposures and Health·Ruaraidh DobsonSean Semple

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