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
>
>
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