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Table 3 Recurrent event time models with varying baseline and order-specific coefficient effects, from the additive and multiplicative hazards models.

From: Additive and multiplicative hazards modeling for recurrent event data analysis

Model Order Covariate Estimate S.E Chi-square p-value
Additive Hazards Model 1 Gender # -0.103 0.06 2.96 0.085
   Race/ethnicity & 0.068 0.036 3.66 0.056
   Age 0.004 0.005 0.60 0.439
   Parent @ 0.063 0.034 6.70 0.065
  2 Gender -0.202 0.067 9.13 0.003
   Race/ethnicity 0.038 0.051 0.55 0.457
   Age 0.015 0.005 7.94 0.005
   Parent 0.028 0.049 0.33 0.567
  3 Gender -0.181 0.053 11.7 0.001
   Race/ethnicity 0.003 0.078 0.002 0.967
   Age 0.011 0.008 1.92 0.165
   Parent -0.025 0.046 0.30 0.583
  4 Gender -0.158 0.013 2.65 0.103
   Race/ethnicity 0.068 0.121 0.32 0.571
   Age 0.021 0.013 2.65 0.104
   Parent -0.075 0.088 0.73 0.394
--------------------- ------- --------------- ------------ ------------ ----------- ----------
Multiplicative Hazards Model 1 Gender -0.464 0.179 7.36 0.007
   Race/ethnicity 0.391 0.175 5.05 0.025
   Age 0.021 0.021 1.15 0.285
   Parent 0.347 0.144 5.99 0.014
  2 Gender -0.864 0.235 15.7 < 0.0001
   Race/ethnicity 0.185 0.262 0.45 0.505
   Age 0.078 0.029 6.33 0.012
   Parent 0.112 0.215 0.31 0.577
  3 Gender -0.747 0.25 8.21 0.004
   Race/ethnicity 0.085 0.445 0.04 0.842
   Age 0.051 0.047 1.03 0.309
   Parent -0.138 0.248 0.29 0.589
  4 Gender -0.732 0.28 5.44 0.02
   Race/ethnicity 0.357 0.469 0.48 0.49
   Age 0.103 0.073 1.71 0.191
   Parent -0.31 0.323 0.89 0.345
  1. Estimation of regression coefficients, "robust" standard errors (S.E.), chi-square, and p-values.
  2. * guardian ≡ 1 if subject had parents or a single parent as guardian(s), and 0 if otherwise.
  3. &race/ethnicity ≡ 1 if subject is Black and 0 if otherwise.
  4. # gender ≡ 1 if subject is male and 0 if otherwise.