highly significantp < 0.001
The logistic regression showed a significant impact of vaginal type of delivery and mothers’ university education in a model used for estimating the above-median RCPM test results for both cohorts (OR 2.32, p < 0.01) and a highly significant impact of mothers’ university education in the Karvina and boys groups (OR 6.60 with p < 0.001 and OR 4.55 with p < 0.01, respectively).