approached significancep = 0.051
This analysis revealed that the disadvantage associated with being a second‐born child became insignificant for girls and approached significance for boys ( p = 0.051).
This analysis revealed that the disadvantage associated with being a second‐born child became insignificant for girls and approached significance for boys ( p = 0.051).
Notably, the coefficient for firstborns with siblings showed a positive trend, although it does not reach statistical significance.