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Factors modifying exposure to environmental tobacco smoke in children (Athens, Greece)

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Abstract

The aim of the study was to investigate individual, family, and environmental factors which may modify exposure of children to environmental tobacco smoke (ETS). A total of 2,108 children of both genders, aged up to 14 years old, were enrolled in the study. Parents of the children provided information concerning several factors that may affect exposure to ETS. Cotinine-to-creatinine ratios in spot urine samples were measured for each child. These values were logtransformed and regressed on a series of exposure variables. Among children, 73 percent were exposed to ETS generated by at least one smoker in the household. Exposure to ETS was affected by the following factors: cigarettes smoked by parents while the child was at home (increase by 37 percent per 10 cigarettes daily, 95 percent confidence interval [CI]=32-43 percent); precautions taken by parents (no cf yes, increase by 38 percent, CI=24-54 percent); child's age (decrease by nine percent per year, CI=-11--8 percent); gender (male lower than female by 13 percent, CI=-21--3 percent); day of the week (Monday cf Tuesday-through-Sunday, increase by 28 percent, CI=14-44 percent); floor surface area (decrease by nine percent per 20m2, CI=-14--5 percent); heating (central cf non-central decrease by 14 percent, CI=-25--2 percent); maternal education (decrease by nine percent per five years, CI=-18-0 percent); paternal education (decrease by seven percent per five years, CI=-15-2 percent). It is concluded that several household-related factors affect exposure to ETS and that this exposure can be reduced by about one-third by simple precautions taken by smoking parents.

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Bakoula, C.G., Kafritsa, Y.J., Kavadias, G.D. et al. Factors modifying exposure to environmental tobacco smoke in children (Athens, Greece). Cancer Causes Control 8, 73–76 (1997). https://doi.org/10.1023/A:1018487222533

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  • DOI: https://doi.org/10.1023/A:1018487222533

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