Thank you Ricardo. This sounds reasonable to me.
Cheers,
Marcus
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Ricardo Ovaldia
Sent: Tuesday, May 11, 2004 2:03 PM
To: [email protected]
Subject: Re: st: cox proportional hazard and correlated data
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" <[email protected]> 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/
*
* 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/
