Re: Confounders like Calculus? (Radon - county linear model and LNT)

["Otto G. Raabe" <ograabe@UCDAVIS.EDU>]

June 28, 2003



Dear Howard:



I can't find www.oismm.org on the Internet. I think you meant

http://www.oism.org/ddp



When Dr. Cohen statifies the inherent assumption of linearity comes into

play by assuming that counties with the same level of a CF somehow have the

same level of CF effect. That assumption may wrong.



Otto

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Prof. Otto G. Raabe, Ph.D., CHP

Center for Health & the Environment

(Street Address: Bldg. 3792, Old Davis Road) 

University of California, Davis, CA 95616

E-Mail: ograabe@ucdavis.edu

Phone: (530) 752-7754   FAX: (530) 758-6140

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