Risk of first birth (until age 28.7) | Risk of first birth | ||
Logit regression results | Proportional hazard Cox model | ||
Birth Month | Birth Month | ||
January | Ref. Cat. | January | Ref. Cat§. |
February | 0.84** | February | 0.04 |
March | 0.75* | March | 0.23 |
April | 0.29 | April | −0.88 |
May | 0.98** | May | 0.02 |
June | 0.48 | June | −0.35 |
July | 0.63 | July | −0.03 |
August | 0.31 | August | −0.10 |
September | 0.18 | September | −0.35 |
October | 0.34 | October | −0.07 |
November | 0.37 | November | −0.09 |
December | 0.18 | December | −0.18 |
Edu. Attainment | −0.08*** |