Sturm JJ, Yeatts K, Loomis D. 2004.
Effects of Tobacco Smoke Exposure on Asthma Prevalence and Medical Care Use in North Carolina Middle School Children.
American Journal of Public Health (AJPH), Vol. 94 No. 2, pp.308-313.
This survey-based study investigated potential effects of childhood cigarette smoking and exposure to second-hand or environmental tobacco smoke (ETS) on asthma symptoms like wheezing among junior high school children in North Carolina in 1999-2000.
Exposure to ETS had a relatively higher impact than current cigarette smoking on the excess number of active doctor-diagnosed asthma cases; ~10% of the study population were asthmatics. In addition, the relative odds of active doctor-diagnosed asthma and wheezing in past year were significantly higher with increasing number of cigarettes smoked per day, increasing number of smokers at home, and increasing reported frequency of ETS exposure (days per month).
Thus, this study suggested lower and higher levels of exposure to ETS, and cigarette smoking, were independently associated with asthmatic symptoms among North Carolina junior high school students. |
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