Table 5. MR-Egger regression and heterogeneity analysis of the associations between age at first birth and lung cancer including histological subtypes.
| Outcome | Heterogeneity P | MR-Egger regression | |||
|---|---|---|---|---|---|
| MR-Egger | IVW | Intercept | Intercept P | ||
| Number unit increase in AFB | |||||
| Lung cancer overall | 0.738 | 0.841 | 0.0324 | 0.803 | |
| Lung adenocarcinoma | 0.980 | 0.981 | 0.1037 | 0.612 | |
| Squamous cell lung cancer | 0.104 | 0.174 | 0.0031 | 0.991 | |
| Number unit decrease in AFB | |||||
| Lung cancer overall | 0.948 | 0.979 | −0.0207 | 0.797 | |
| Lung adenocarcinoma | 0.291 | 0.382 | −0.0840 | 0.559 | |
| Squamous cell lung cancer | 0.998 | 1.000 | −0.0018 | 0.988 | |
IVW, inverse-variance weighted; AFB, age of first birth.