response: (chd2=='1') 
covariates: dsmoker 
SNP: CELSR2_MG_438 
Call:
coxph(formula = y[notmissing] ~ allele[notmissing] + wz[notmissing, 
    selectedcovariates] + wrua2[notmissing] + strata(wsex[notmissing]) + 
    cluster(wdata$id[notmissing]), weights = weight[notmissing], 
    robust = TRUE)

  n= 2408 
                                      coef exp(coef) se(coef) robust se      z
allele[notmissing]                  0.0354     1.036   0.0964     0.110  0.320
wz[notmissing, selectedcovariates]  0.6199     1.859   0.1207     0.137  4.515
wrua2[notmissing]FRA               -1.3732     0.253   0.3817     0.400 -3.433
wrua2[notmissing]SWE               -0.4522     0.636   0.2634     0.277 -1.632
wrua2[notmissing]UNK               -0.1918     0.825   0.3095     0.335 -0.573
                                         p
allele[notmissing]                 7.5e-01
wz[notmissing, selectedcovariates] 6.3e-06
wrua2[notmissing]FRA               6.0e-04
wrua2[notmissing]SWE               1.0e-01
wrua2[notmissing]UNK               5.7e-01

                                   exp(coef) exp(-coef) lower .95 upper .95
allele[notmissing]                     1.036      0.965     0.834     1.287
wz[notmissing, selectedcovariates]     1.859      0.538     1.420     2.433
wrua2[notmissing]FRA                   0.253      3.948     0.116     0.555
wrua2[notmissing]SWE                   0.636      1.572     0.370     1.095
wrua2[notmissing]UNK                   0.825      1.211     0.428     1.591

Rsquare= 0.024   (max possible= 0.881 )
Likelihood ratio test= 57.9  on 5 df,   p=3.24e-11
Wald test            = 41.9  on 5 df,   p=6.3e-08
Score (logrank) test = 53.1  on 5 df,   p=3.15e-10,   Robust = 46.7  p=6.65e-09

  (Note: the likelihood ratio and score tests assume independence of
     observations within a cluster, the Wald and robust score tests do not).

Updated on 2008-06-04