Correlations of patient-reported outcomes with sociodemographic characteristics.

*p-value is equal to or remains below the critical p-value after Bonferroni-Holm adjustment for multiple inferential tests (i.e. the number of subscales of the corresponding patient-reported outcome). Spearman rho correlation coefficients are presented for age and duration of dialysis while pointbiserial correlation coefficients are presented for gender and partnership. Additionally, p-values and corresponding sample size for each coefficient are presented. Values set in bold indicate p-values ≤ 0.05.