Re: Get your tickets now - New Discussion List

[niton@mchsi.com]

Jerry, I would happy to respond to that question, but please move it over to 

the other list. 



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 Regards, Bill

> To help those of us who may not be among the cognoscenti, could someone 

> please explain the concept of  " unbounded residual confounding ". Could this 

> phenomenon also account for the apparently positive association between 

> smoking and cancer?

> 

> 

> ----- Original Message ----- 

> From: <niton@mchsi.com>

> To: BERNARD L COHEN <blc+@PITT.EDU>

> Cc: 'Radiation Safety' <radsafe@list.vanderbilt.edu>; <RADHEALTH@LIST.UIOWA.EDU>

> Sent: Friday, July 04, 2003 11:25 AM

> Subject: Get your tickets now - New Discussion List

> 

> 

> > Dr. Cohen,

> > 

> > Many people have offered suggestions to help you with your plea to explain 

> > your inverse associations we all see with your ecologic data.  

> > 

> > As Edward Teller sated, Two paradoxes are better than one; they may even 

> > suggest a solution. 

> > 

> > I believe Dr. Teller's statement is very applicable to our discussion.   

> > 

> > Paradox 1: Your well known inverse association between smoking and lung 

> cancer.

> > 

> > Paradox 2: The less than well known inverse association between your county 

> > radon data and other smoking related cancers.

> > 

> > The existence of these two paradoxes helps to explain that the cause of these 

> > inverse associations are merely unbounded residual confounding from smoking  

> and other within county variables associated with smoking 

> 

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