NDLI: Residential Radon in U.S. Counties V Lung Cancer in Women Who Predominantly Never Smoked

Content Provider	Springer Nature Link
Author	Bogen, Kenneth T. Cullen, Jennifer
Copyright Year	2002
Abstract	Previous studies have found that mean-residential-radon (Rn) levels for U.S. counties are negatively associated with age-adjusted county rates of lung-cancer mortality (LCM), after adjustments for potentially confounding factors. Those results may be due to (a) confounding unaddressable by any county-level (‘ecological’) study design, or (b) county-level factors such as Rn/smoking or age/radon correlations or exposure misclassifications from the use of disparate data sources. Possibilities (b) were addressed by comparing age-specific LCM rates for white women in 2821 U.S. counties who died in 1950–54 at age 40+ (∼11% of whom ever smoked), or at age 60+ (∼% of whom ever smoked), to county Rn levels newly estimated from U.S. Rn, climatic and geological-survey data. Significant negative LCM v Rn trends were found for both age groups, after adjusting for age and subsets of 21 county-level socioeconomic, climatic and other factors. Negative trends were largest for counties with ≤ 100 Bq m−3 Rn (p ≤ 0.00087; 420 analyses). Adjusted relative risk (RRadj) for LCM was significantly elevated (1 < [95% conf. limits on RRadj] ≤ 1.46) in 43 of 210 analyses comparing LCM rates in counties with > 150 Bq m−3 v 65–100 Bq m−3 Rn, most involving adjustment for climate- and education-related factors likely to have influenced exposure to indoor air contaminants such as Rn and cigarette smoke. Though inconclusive due to potential ecological-fallacy-related confounding that could not be controlled, results from this ecological study are most consistent with a U-shaped dose-response relationship between 1950–54 LCM risk and U.S. residential radon in white women who predominantly never smoked.
Starting Page	229
Ending Page	247
Page Count	19
File Format	PDF
ISSN	02694042
Journal	Environmental Geochemistry and Health
Volume Number	24
Issue Number	3
e-ISSN	15732983
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2002-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Geochemistry Public Health/Gesundheitswesen Atmospheric Protection/Air Quality Control/Air Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Medicine Geochemistry and Petrology Environmental Engineering Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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