Table 1 Parametric and non-parametric smooth effects for birth year, birth month, and mean annual temperature in the year of conception on the probability of giving birth to a girl.
Summary of parametric effects | |||
|---|---|---|---|
Effect name | Estimate | Standard error | p-value |
Intercept | −0.058 | 0.008 | 0.000*** |
Smooth effects | |||
|---|---|---|---|
Effect name | Equivalent degrees of freedom (effect complexity) | p-value | |
Birth year | 1.573 | 0.553 | |
Birth month | 0.000 | 0.923 | |
Temperature in the year of conception | 1.087 | 0.004** | |
