Table 1

Estimated survey participants

NCriteria
Dialysis patients∼2250Dialysis onset within the last 2 years; insured by one of the two cooperating insurance companies (DAK-Gesundheit and Siemens Betriebskrankenkasse)
Dialysis physicians∼1200All German nephrologists working in an outpatient setting
Leading dialysis nurses∼700Head nurses in the ∼700 dialysis centres in Germany
PD-dialysis nurses∼700Dialysis nurses, specialising in the care of PD patients in the ∼700 dialysis centres in Germany