Fifteen out of the 18 major case-control studies reported an increased risk for radon exposure at 100 Bq/m3. This is also in agreement with the North American Residential pooling. Further, unlike ecologic studies, misclassification in case-control studies generally bias the results torward no association as we have demonstrated previously. As presented at a recent meeting of the American Statistical Society, the North American Residential Pooling study supports the LNT. http://www.aarst.org/news_pdf/2002_IowaU_Follow-up_Study.pdfOn Wed, 18 Jun 2003 epirad@mchsi.com wrote:there have been innumerable case-control studies that support the LNT that have both external and internal validity. I can provide details if you email me directly.--There are case-control studies that seem to indicate agreement with LNT and others that seem to indicate disagreement. The statement normally made by those who present these studies is that they are "consistent with" LNT. I don't remember statements that they "support" LNT. Their statistics are too poor to make such claims. ************************************************************************ You are currently subscribed to the Radsafe mailing list. To unsubscribe, send an e-mail to Majordomo@list.vanderbilt.edu Put the text "unsubscribe radsafe" (no quote marks) in the body of the e-mail, with no subject line. You can view the Radsafe archives at http://www.vanderbilt.edu/radsafe/************************************************************************ You are currently subscribed to the Radsafe mailing list. To unsubscribe, send an e-mail to Majordomo@list.vanderbilt.edu Put the text "unsubscribe radsafe" (no quote marks) in the body of the e-mail, with no subject line. You can view the Radsafe archives at http://www.vanderbilt.edu/radsafe/