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Table 2 Additive and multiplicative hazards models for recurrent event time, with a varying baseline and common coefficient effect.

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

Model

Covariate

Estimate

S.E

Chi-square

p-value

Additive Hazards Model

Gender #

- 0.152

0.034

19.7

<0.0001

 

Race/ethnicity &

0.058

0.027

4.71

0.030

 

Age

0.009

0.003

6.34

0.012

 

Parent @

0.033

0.024

1.91

0.167

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Multiplicative Hazards Model

Gender

-0.654

0.139

35.4

<0.0001

 

Race/ethnicity

0.335

0.148

6.31

0.012

 

Age

0.043

0.016

8.22

0.004

 

Parent

0.152

0.117

2.37

0.124

  1. Estimation of regression coefficients with "robust" standard errors (S.E.), chi-squares, and p-values.
  2. # gender ≡ 1 if subject is male and 0 if otherwise.
  3. &race/ethnicity ≡ 1 if subject is Black and 0 if otherwise.
  4. @ parent ≡ 1 if subject had parents or a single parent as guardian(s), and 0 if otherwise.