Re: Get your tickets now - New Discussion List

[Jerry, Cohen]

Bill,

    Actually, it was a rhetorical question. I didn't expect an intelligible

answer.





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

From: <niton@mchsi.com>

To: Jerry Cohen <jjcohen@prodigy.net>

Cc: BERNARD L COHEN <blc+@PITT.EDU>; 'Radiation Safety'

<radsafe@list.vanderbilt.edu>; <RADHEALTH@LIST.UIOWA.EDU>

Sent: Friday, July 04, 2003 6:19 PM

Subject: Re: Get your tickets now - New Discussion List





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

to

> the other list.

>

> To join the list, go to: http://list.uiowa.edu/archives/radhealth.html

>

>  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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