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1: Environ Res. 2006 Sep;102(1):96-100. Epub 2006 Feb 2.
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Proximity to pulp and paper mills and wheezing symptoms among adolescents in North Carolina.

Mirabelli MC, Wing S.

Department of Epidemiology, School of Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-8050, USA. maria.mirabelli@unc.edu

Using data from the North Carolina School Asthma Survey about the respiratory health of 64,432 adolescents attending public schools in North Carolina and data provided by school employees about the environmental health conditions of the school buildings, we assessed the prevalence of daytime wheezing during the past year among students estimated to be exposed to air pollutants arising from pulp and paper mills located near the schools. Of the schools the students attended, 14% (37/266) were located within 30 miles of one or more pulp and paper mills and odor from the mills was identified by survey respondents for 9 of the 266 schools. The prevalences of daytime wheezing in smokers and nonsmokers with household cigarette smoke exposure were elevated among students attending schools located within 30 miles of a pulp and paper mill, compared to the prevalence among students attending schools located beyond 30 miles (10 miles, prevalence ratio (PR): 1.21, 95% confidence interval (95% CI): 0.99, 1.43; 10-30 miles, PR: 1.06, 95% CI: 0.96, 1.16) and among students attending schools with noticeable odor from a pulp and paper mill (PR: 1.12, 95% CI: 0.93, 1.31). These results indicate a possible association between paper mill location and wheezing symptoms among adolescents and suggest that community-based exposure to pulp and paper mill emissions may have a greater impact on smokers and individuals exposed to cigarette smoke in the home than on nonsmokers without such household exposure.

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PMID: 16457803 [PubMed - indexed for MEDLINE]