Univariate regression weights of the ordinal regression models in 16–19-year-olds with Down syndrome (n = 317]; positive weights indicate a higher probability of being longer in mainstream school (higher category of the outcome] compared to the reference.

∧Degree of intellectual disability is based on all items of the SRZ. °Unstandardized regression weights. †Unstandardized regression weights adjusted for parental education and sex. * p-value<0.05. ** p-value<0.001.