Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

Re: st: cox proportional hazard and correlated data


From   Ricardo Ovaldia <ovaldia@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: cox proportional hazard and correlated data
Date   Tue, 11 May 2004 12:02:57 -0700 (PDT)

I believe that the standard approach is to use a share
frailty model. This can be done using -stcox-'s
-share()- option.

Best,
Ricardo.

--- "Fischer, Marcus" <mafische@mcw.edu> wrote:
> Hi,
> 
> I wish to evaluate associations between prospective
> disease risk and one or more genetic or
> environmental covariates, using data from families
> ascertained because of the disease statuses of some
> of their members. The population consists of
> nonoverlapping families each containing one or more
> individuals. Both disease occurences and covariates
> may be correlated within families.
> Is it possible to account for the within-family
> correlation in a cox proportional hazard model ? If
> so, how ?
> Can I just use the cluster(family-identifier) option
> to work with the robust variance-covariance matrix ?
> 
> Thanks for your help.
> Marcus
> 
> 
> *
> *   For searches and help try:
> *  
> http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/



	
		
__________________________________
Do you Yahoo!?
Win a $20,000 Career Makeover at Yahoo! HotJobs  
http://hotjobs.sweepstakes.yahoo.com/careermakeover 
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index