borderline significantp = 0.098
Having a child with CP reduces the likelihood of having an additional child by 36% ( p = 0.000) for mothers between 34 and 51 years at birth, by 20% ( p = 0.001) for mothers in the younger age range (16–29 years at birth), and by 12% (borderline significant with p = 0.098) for mothers is in the medium age range.