• Facility ownership (for profit vs not for profit)

• Membership in a group or chain of dialysis facilities

• Number of dialysis stations

• Use of recommended antiseptics for AVF site preparation precannulation

• Provision of home hemodialysis services

• Membership in a large dialysis organization

• Hospital affiliation

• Percent of facility AVF patients using BHC

• Prophylactic use of antimicrobial ointment at BHC site

• Person performing BHC

Abbreviations: AVF, arteriovenous fistula; BHC, buttonhole