The prevalence and effects of environmental tobacco smoke exposure among inner-city children: lessons for pediatric residents.

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To determine the prevalence of environmental tobacco smoke (ETS) exposure, to explore the relationship between ETS exposure and the use of health services, and to examine the degree to which pediatric residents document ETS exposure status and counsel parents. In 2006, the authors recruited dyads of children (0-12 years old) and their mothers from an inner-city pediatric group practice clinic. Mothers completed a survey, and the authors searched the children's medical charts. The authors compared ETS-exposed children with nonexposed children using chi-square, t test, and ANOVA analyses. They also ran logistic regression analyses to examine the relationship between the use of health services and selected child and maternal variables. More than 60% (142/232) of children were exposed to ETS, and more than 69% (99/142) of those children had a mother who smoked. ETS exposure significantly predicted the overall number of sick visits, even after controlling for sociodemographic confounders (odds ratio = 7.44; 95% confidence internal = 1.21-44.55). About 80% (187/232) of mothers reported that their child's pediatrician had counseled them on the dangers of ETS exposure. Less than half (105/232) of the children's charts included their ETS exposure status. Although pediatric residents often counsel parents on the dangers of ETS exposure, educators should teach residents to regard ETS exposure status as a fifth vital sign. By screening for and documenting ETS exposure status, residents can identify at-risk children and parents, who could benefit from counseling.