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. Author manuscript; available in PMC: 2019 Sep 10.
Published in final edited form as: Biometrics. 2019 Jun 17;75(3):853–863. doi: 10.1111/biom.13057

Table 1.

Fit PH Models for ACLS Baseline Data

Without Interaction With Interaction
Variable Estimate StDev P value Estimate StDev P value
BMI 0.103 0.030 0.001 0.110 0.030 0.000
FamilyCVD 0.124 0.168 0.462 0.133 0.168 0.427
Smoke 0.218 0.233 0.349 0.230 0.233 0.323
Female −0.342 0.371 0.356 −0.348 0.371 0.347
AGE 0.117 0.011 0.000 0.181 0.035 0.000
Fitness −0.013 0.023 0.572 0.192 0.107 0.072
AGE×Fitness - - - −0.004 0.002 0.050