Design: Prospective, correlational survey design. Patients were nested within nurses.
Setting: Six inpatient oncology units in three hospitals: St. Vincent Healthcare in Billings, Montana; Norris Cotton Cancer Center at the Dartmouth–Hitchcock Medical Center in Lebanon, New Hampshire; and Huntsman Cancer Hospital in Salt Lake City, Utah.
Sample: 91 nurses in three states (28 OCN®-certified nurses, 37 noncertified nurses, and 26 not eligible for certification). Certification status was validated for 105 nurses who were matched with a sample of 320 patients.
Methods: Nurses completed a survey, and matched adult patients who were experiencing pain rated their pain care quality and pain experience during the past shift.