Table 2 Process evaluation measures for the RaDIANT Community intervention

Fidelity

To what extent was the intervention delivered as planned?

Facility-level participation (Y/N) in each required and optional intervention component and in all required and optional intervention activities^a

Composite fidelity index of the number of intervention components completed (0–14)

Sustainability

To what extent are intervention activities perceived as helpful?

To what extent are dialysis facilities willing to continue intervention activities indefinitely?

How can the intervention be improved for dissemination?

Staff-perceived helpfulness of intervention activities (Likert scale)

Willingness to continue intervention activities (yes/no) based on perceived helpfulness

Open-ended questions regarding suggestions for improving select intervention activities

Reach

To what extent did its intended audience receive the intervention?

Proportion of patients receiving each patient-level intervention component and the full multicomponent intervention^b

Context

What barriers may prevent patients at intervention facilities from beginning or completing the transplant evaluation process?

What non-intervention educational materials or resources were provided to patients at intervention facilities?

Itemized checklist at end of questionnaire

Facility-level distribution (Y/N) of non-RaDIANT educational resources to dialysis patients

Linking process data to intervention outcomes

To what extent does facility level referral for kidney transplantation vary by implementation fidelity among intervention facilities pre- and post-intervention?

Association between fidelity index (0–14) and mean difference in proportion of patients referred for kidney transplantation in the 2014 intervention year