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Second-Hand Smoke Increases Prevalence Of Asthma In Kids BETHESDA, MD -- February 11, 1998 -- A study sponsored by the National Institutes of Health points to second-hand smoke as an important factor in the increasing prevalence of asthma in children. Peter Gergen and his colleagues from the Center for Primary Care, the Agency for Health Care Policy and Research, Rockville, the Klemm Analysis Group, Inc, the National Center for Health Care Statistics, the Centers for Disease Control and Prevention and the National Institute of Child Health and Human Development, report on the results of their study in this month’s issue of Pediatrics Electronic Pages. The researchers evaluated children two months through five years of age from 1988 to 1994. Parents were asked to report on household smoking or maternal smoking during pregnancy and on wheezing, cough, upper respiratory infection, or pneumonia in the previous 12 months and chronic bronchitis or physician-diagnosed asthma at any time. They found that about 38 percent of kids were being exposed to second-hand smoke at home, whereas more than 23 percent were exposed by maternal smoking during pregnancy. Kids between two months and two years of age had increased prevalence of chronic bronchitis and episodes of wheezing. When they evaluated the effects of second-hand smoke on kids between two months and five years, they found an increased prevalence of asthma. Although they found no statistically-significant increase in the prevalence of upper respiratory infection, pneumonia or cough and in the severity of asthma in children exposed to second-hand smoke, the researchers found that this group of kids did appear to have an increased prevalence of asthma. "These findings reinforce the need to reduce the exposure of young children to environmental tobacco smoke," the write. E-mail this page to a friend or colleague! To print, use this version