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Abstract Background Patients undergoing dialysis have an impaired health-related quality of life (HRQOL). There are conflicting data from small series on whether patient-related factors such as educational level have an impact on experienced HRQOL. The aim of this study was to investigate the association between educational level and HRQOL in dialysis patients. Methods In a single-center retrospective cross-sectional study HRQOL was measured using the Kidney Disease Quality of Life Short Form-36 (KDQOL-SF36) in prevalent chronic dialysis patients. Educational level was categorized into low, intermediate and high subgroups. Univariate and multivariate regression analyses were performed to assess the effects of age, gender, ethnicity, and dialysis vintage on the association between HRQOL and educational level. Results One hundred twenty-nine chronic dialysis patients were included. Patients with an intermediate educational level had significantly higher odds of a higher emotional well-being than patients with a low educational level 4.37 (1.-89–10.13). A similar trend was found for a high educational level (OR 4.13 (1.04–16.42), p = 0.044) The odds for women compared to men were 2.83 (1.32–6.06) for better general health and 2.59 (1.15–5,84) for emotional well-being. There was no interaction between gender and educational level for both subdomains. Each year of increasing age significantly decreased physical functioning (OR 0.94 (0.91–0.97)). Conclusions Educational level and sex were associated with emotional well-being, since patients with intermediate and high educational level and females had better emotional well-being in comparison to patients with low educational level and males. Physical functioning decreased with increasing age.
Bakker et al. (Wed,) studied this question.