| Variable | Log likelihood of the model | Changes in the log-likelihood of −2 | df | Change of significance |
Step 1 | APOA4 | −48.52 | 13.891 | 1 | 0 |
Step 2 | APOA4 | −47.515 | 26.597 | 1 | 0 |
| GPX3 | −41.575 | 14.716 | 1 | 0 |
Step 3 | APOA4 | −42.277 | 23.367 | 1 | 0 |
| RBP4 | −34.217 | 7.246 | 1 | 0.007 |
| GPX3 | −40.322 | 19.456 | 1 | 0 |
Step 4 | APOA4 | −36.953 | 17.351 | 1 | 0 |
| RBP4 | −30.903 | 5.25 | 1 | 0.022 |
| ITIH3 | −30.594 | 4.633 | 1 | 0.031 |
| GPX3 | −37.631 | 18.708 | 1 | 0 |
Step 5 | APOA4 | −31.484 | 10.754 | 1 | 0.001 |
| RBP4 | −27.579 | 2.944 | 1 | 0.086 |
| ITIH3 | −28.67 | 5.125 | 1 | 0.024 |
| GPX3 | −37.442 | 22.669 | 1 | 0 |
| SPAM1 | −28.277 | 4.34 | 1 | 0.037 |