Table 6 Regression analysis of Iron intake in relation to preterm delivery study
From: Failure time regression with continuous informative auxiliary covariates
Method | Variables | Estimates of parameters | Standard error | p -value | Hazard ratio |
|---|---|---|---|---|---|
CC | ferritin | 0.2451 | 0.1306 | 0.060 | 1.278 |
age | 0.009 | 0.0108 | 0.402 | 1.009 | |
ZW | ferritin | 0.2236 | 0.076 | 0.004 | 1.251 |
age | 0.0102 | 0.0043 | 0.018 | 1.010 | |
EPL | ferritin | 0.1797 | 0.0771 | 0.020 | 1.197 |
age | 0.0159 | 0.0036 | 0.000 | 1.016 |