168 Health care professionals (n=48) CAU (n=18) Intervention (n=30) p-value n Age, median (IQR) 49.5(16) 47.5 (14) 0.110a 48 Male sex, % 27.8 20.0 0.724d 48 Health setting, % Hospital care 72.2 76.7 0.743d 48 General practice 27.8 23.3 Profession, % General practitioner 11.1 6.7 0.908d 48 GP nurse practitioner 5.6 10.0 Nephrologist 27.8 23.3 Hospital nurse practitioner 5.6 20.0 Nurse 16.7 13.3 Dietician 11.1 13.3 Social worker 11.1 6.7 Other 11.1 6.7 Years of experience, % 0-2 years 5.6 10.0 0.812d 48 2-5 years 22.2 20.0 5-10 years 16.7 16.7 10-15 years 5.6 13.3 15-20 years 16.7 23.3 Over 20 years 33.3 16.7 Contact with people with limited health literacy, % Now and then 27.8 16.7 0.449d 48 Regularly 55.6 73.3 Very often 16.7 10.0 Received general communication trainings during career, % 0-2 times 16.7 30.0 0.689d 48 3-4 times 33.3 26.7 5 times or more often 50.0 43.3 Table 5.1 Continued Descriptive statistics based on the crude dataset. Numbers in bold indicate significant results. CAU = care-as-usual, n = sample size, IQR = interquartile range, eGFR = estimated glomerular filtration rate, CKD = chronic kidney disease a Mann-Whitney test, b Pearson’s Chi-square, c Pearson’s Chi-square with CKD stages 2-3 merged to overcome analysis problems resulting from lacking patients in CKD-stage 2 in CAU, d Fisher exact test, due to N=≤5 in a subgroup.
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