RE: Dumb questions and comments on ecological/case studies

[Jack_Earley@RL.GOV]

<<correlations between radon and any socioeconomic variables are not

large.>>



I don't know--maybe if you exclude radiophobia as a socioeconomic variable.

. . .



-----Original Message-----

From: BERNARD L COHEN [mailto:blc+@PITT.EDU]

Sent: Thursday, June 06, 2002 10:17 AM

To: Ted de Castro

Cc: RADSAFE Mailing List

Subject: Re: Dumb questions and comments on ecological/case studies









On Wed, 5 Jun 2002, Ted de Castro wrote:

>

> It is also truly impressive that a small effect can be discerned let

> alone quantitized or signed in the presence of an overwhelmingly large

> confounder.



	--According to LNT, something like 10% of lung cancers are due to

radon; moreover, variations in radon levels among U.S. counties are very

much larger than variations in smoking prevalence; moreover, radon levels

are determined by geology and house construction, and neither of these is

obviously related to smoking, so correlations between radon and

smoking cannot be very large. In fact, correlations between radon and any

socioeconomic variables are not large.





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