Lastly, we note that the association between the family type and externalising behaviour is somewhat higher for girls than for boys.
Especially for delinquency, we observe a significant interaction effect between family type and sex.
This is not in line with the general finding from the literature that boys are more likely to show problematic behaviour after a parental divorce. It may be related to the changed climate regarding custody after divorce.
In Belgium, a legislative change in 2006 made joint physical custody the most preferred custody arrangement after divorce.