Re: Lung cancer mortality from radon versus mortality from other<plus>Radon...

["Rad health" <healthrad@HOTMAIL.COM>]

Howard,



Please write in sentences rather than sound bites.  I really have no idea 

what your tring to say other than to keep spinning misinformation.  A 

dialogue usually presumes that both sides agree to speak in sentences.



Don





>From: hflong@postoffice.pacbell.net

>Reply-To: hflong@postoffice.pacbell.net

>To: Rad health <healthrad@HOTMAIL.COM>

>CC: radsafe@list.vanderbilt.edu

>Subject: Re: Lung cancer mortality from radon versus mortality from 

>other<plus>Radon...

>Date: Fri, 25 Jan 2002 10:31:08 -0800

>

>Don,

>I "keep saying this" - ie, "Selecting an outlier  invalidates inference to 

>the whole,"

>because neither you nor Fields has responded!

>Iowa women had only a -0.3 SD  for lung ca mortality vs radon,

>where there was >-3.0 SD for the whole USA.

>

>Nor have you supplied data that could justify substituting statistical

>"adjustment" (extrapolation from outside studies and populations)

>for matching smokers (32% of controls vs 86% of Iowa cases).

>

>Each of these problems suggests that the Iowa case control study

>should not claim better "quality" than Cohen's epidemiologic study.

>Do you concede this?

>

>Not, going, going, going - but waiting, waiting, waiting!

>

>Howard Long

>

>Rad health wrote:

>

> > Howard,

> >

> > Why do you keep saying this.  What point do you hope to make.  Do you

> > believe if you say it enough someone will believe it if by chance they

> > understand it.  This is silliness.  Perform your double blind studies, 

>who

> > is stopping you?  Also, to save bandwidth, please edit your postings.

> >

> > Don

> >

> > >Mea culpa! I, too, extrapolated (estimated beyond data at hand) with 

>"Iowa

> > >women - 1% outlier of USA lung cancer mortality, 1/radon." What IS in

> > >Cohen's data is that Iowa women had only  0.3 standard deviations of

> > >inverse association - lung cancer mortality vs radon, whereas p< 0.001

> > >chance

> > >(many SDs) for whole USA (minus mobile CA, FL, AZ). So Iowa is 

>different,

> > >clouding inference to the USA.

> > >

> > >We need placebo studies - identical controls!

> > >

> > >Howard Long

> >

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