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ABSTRACT: Objectives
Concern has been raised that the occurrence of cancer may be increased in neighbourhoods around a former manufactured gas plant in Champaign, Illinois, USA. Thus, we compared historical rates of cancer in this area to comparison communities as well as with nationally standardised rates.Design
Retrospective population-based community cancer assessment during 1990-2010.Setting
Champaign County, Illinois, USA, and zip codes encompassing the location of the former manufactured gas plant to counties that were similar demographically.Participants
Residents of the counties and zip codes studied between 1990 and 2010.Main outcome measures
The relative risk (RR) and 95% CI were used to compare cancer incidence and mortality in the areas near the gas compression site to the comparison counties. Standardised incidence ratios (SIRs) were calculated to compare rates in the areas near the gas compression site to expected rates based on overall US cancer rates.Results
Total cancer mortality (RR=0.91, 95% CI 0.88 to 0.94) and incidence (RR=0.95, 95% CI 0.94 to 0.97) were reduced significantly in Champaign County versus the comparison counties. Similarly, a reduced rate of total cancer was observed in analyses by zip code (proximal to the former gas plant) when compared with either similar counties (RR=0.89, 95% CI 0.86 to 0.93) or national standardised rates of cancer (SIR=0.88, 95% CI 0.85 to 0.91).Conclusions
This historical cancer assessment did not find an increased risk of total cancer or specific cancer types in communities near a former manufactured gas plant site.
SUBMITTER: Alexander DD
PROVIDER: S-EPMC4275664 | biostudies-literature | 2014 Dec
REPOSITORIES: biostudies-literature
Alexander Dominik D DD Jiang Xiaohui X Bylsma Lauren C LC Garabrant David H DH Irvin Sarah R SR Fryzek Jon P JP
BMJ open 20141222 12
<h4>Objectives</h4>Concern has been raised that the occurrence of cancer may be increased in neighbourhoods around a former manufactured gas plant in Champaign, Illinois, USA. Thus, we compared historical rates of cancer in this area to comparison communities as well as with nationally standardised rates.<h4>Design</h4>Retrospective population-based community cancer assessment during 1990-2010.<h4>Setting</h4>Champaign County, Illinois, USA, and zip codes encompassing the location of the former ...[more]