id fupt_chd chd sex age othercov
id636728 3.187930645 0 0 56.56648772 -0.61664922
id890314 2.099691952 0 0 74.83119715 0.695315865
id102874 9.133488079 1 1 45.24780518 -0.919192365
id200949 7.525406804 0 0 46.73626511 -0.623212537
id336491 6.798229522 0 1 61.27433188 -0.083574435
id988766 6.149545358 0 1 43.97949245 -0.360419163
id21999 1.013546103 1 0 64.84209419 -0.180940347
id433893 1.282853098 0 1 49.25264441 0.126374732
id688932 8.340206657 0 0 50.39544176 1.06437576
id394203 3.392345681 1 1 71.64985029 -1.182264985