Bryce B Reeve1, David M Thissen2, Carla M Bann3, Nicole Mack4, Katherine Treiman5, Hanna K Sanoff6, Nancy Roach7, Brooke E Magnus8, Jason He9, Laura K Wagner10, Rebecca Moultrie11, Kathryn D Jackson12, Courtney Mann13, Lauren A McCormack14. 1. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, 101 E. Weaver Street, Suite 220, Carrboro, NC, 27510, USA; Department of Health Policy and Management, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, 1105-B McGavran-Greenberg Hall, CB#7411, Chapel Hill, NC, 27599-7411, USA. Electronic address: bbreeve@email.unc.edu. 2. Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB #3270, Davie Hall, Chapel Hill, NC 27599-3270, USA. Electronic address: dthissen@email.unc.edu. 3. Division of Statistical and Data Sciences, RTI International, 3040 E. Cornwallis Road, Research Triangle Park, NC, 27709-2194, USA. Electronic address: cmb@rti.org. 4. Division of Statistical and Data Sciences, RTI International, 3040 E. Cornwallis Road, Research Triangle Park, NC, 27709-2194, USA. Electronic address: nmack@rti.org. 5. Center for Communication Science, RTI International, 6110 Executive Blvd, Rockville, MD 20850, USA. Electronic address: ktreiman@rti.org. 6. Department of Medicine, University of North Carolina at Chapel Hill, 170 Manning Drive, Chapel Hill, NC, 27599, USA. Electronic address: hanna_sanoff@med.unc.edu. 7. Fight Colorectal Cancer, 1414 Prince Street, Suite 204, Alexandria, VA, 22314, USA. Electronic address: nancy.roach@FightColorectalCancer.org. 8. Department of Psychology, Marquette University, 317 Cramer Hall, Milwaukee, WI, 53233, USA. Electronic address: brooke.magnus@marquette.edu. 9. Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, CB #3270, Davie Hall, Chapel Hill, NC 27599-3270, USA. Electronic address: jasonhe@live.unc.edu. 10. Public Health Research Division, RTI International, 3040 E. Cornwallis Road, Research Triangle Park, NC, 27709-2194, USA. Electronic address: lwagner@rti.org. 11. Public Health Research Division, RTI International, 3040 E. Cornwallis Road, Research Triangle Park, NC, 27709-2194, USA. Electronic address: munch@rti.org. 12. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, 101 E. Weaver Street, Suite 220, Carrboro, NC, 27510, USA. Electronic address: kdjack@email.unc.edu. 13. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, 101 E. Weaver Street, Suite 220, Carrboro, NC, 27510, USA. Electronic address: courtney.mann@unc.edu. 14. Public Health Research Division, RTI International, 3040 E. Cornwallis Road, Research Triangle Park, NC, 27709-2194, USA. Electronic address: lmac@rti.org.
Abstract
OBJECTIVE: To evaluate the psychometric properties of questions that assess patient perceptions of patient-provider communication and design measures of patient-centered communication (PCC). METHODS: Participants (adults with colon or rectal cancer living in North Carolina) completed a survey at 2 to 3 months post-diagnosis. The survey included 87 questions in six PCC Functions: Exchanging Information, Fostering Health Relationships, Making Decisions, Responding to Emotions, Enabling Patient Self-Management, and Managing Uncertainty. For each Function we conducted factor analyses, item response theory modeling, and tests for differential item functioning, and assessed reliability and construct validity. RESULTS: Participants included 501 respondents; 46% had a high school education or less. Reliability within each Function ranged from 0.90 to 0.96. The PCC-Ca-36 (36-question survey; reliability=0.94) and PCC-Ca-6 (6-question survey; reliability=0.92) measures differentiated between individuals with poor and good health (i.e., known-groups validity) and were highly correlated with the HINTS communication scale (i.e., convergent validity). CONCLUSION: This study provides theory-grounded PCC measures found to be reliable and valid in colorectal cancer patients in North Carolina. Future work should evaluate measure validity over time and in other cancer populations. PRACTICE IMPLICATIONS: The PCC-Ca-36 and PCC-Ca-6 measures may be used for surveillance, intervention research, and quality improvement initiatives.
OBJECTIVE: To evaluate the psychometric properties of questions that assess patient perceptions of patient-provider communication and design measures of patient-centered communication (PCC). METHODS:Participants (adults with colon or rectal cancer living in North Carolina) completed a survey at 2 to 3 months post-diagnosis. The survey included 87 questions in six PCC Functions: Exchanging Information, Fostering Health Relationships, Making Decisions, Responding to Emotions, Enabling Patient Self-Management, and Managing Uncertainty. For each Function we conducted factor analyses, item response theory modeling, and tests for differential item functioning, and assessed reliability and construct validity. RESULTS:Participants included 501 respondents; 46% had a high school education or less. Reliability within each Function ranged from 0.90 to 0.96. The PCC-Ca-36 (36-question survey; reliability=0.94) and PCC-Ca-6 (6-question survey; reliability=0.92) measures differentiated between individuals with poor and good health (i.e., known-groups validity) and were highly correlated with the HINTS communication scale (i.e., convergent validity). CONCLUSION: This study provides theory-grounded PCC measures found to be reliable and valid in colorectal cancerpatients in North Carolina. Future work should evaluate measure validity over time and in other cancer populations. PRACTICE IMPLICATIONS: The PCC-Ca-36 and PCC-Ca-6 measures may be used for surveillance, intervention research, and quality improvement initiatives.
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