Intention to Undergo Colonoscopy Screening Among Relatives of Colorectal Cancer Cases: a Theory-Based Model
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ORIGINAL ARTICLE
Intention to Undergo Colonoscopy Screening Among Relatives of Colorectal Cancer Cases: a Theory-Based Model Watcharaporn Boonyasiriwat, Ph.D. & Man Hung, Ph.D., M.Stat., M.Ed. & Shirley D. Hon, B.S. & Philip Tang, B.S. & Lisa M. Pappas, M.Stat. & Randall W. Burt, M.D. & Marc D. Schwartz, Ph.D. & Antoinette M. Stroup, Ph.D. & Anita Y. Kinney, Ph.D., R.N.
Published online: 5 December 2013 # The Society of Behavioral Medicine 2013
Abstract Background It is recommended that persons having familial risk of colorectal cancer begin regular colonoscopy screening at an earlier age than those in the general population. However, many individuals at increased risk do not adhere to these screening recommendations. Purpose The goal of this study was to examine cognitive, affective, social, and behavioral motivators of colonoscopy intention among individuals at increased risk of familial colorectal cancer. Methods Relatives of colorectal cancer cases (N =481) eligible for colonoscopy screening completed a survey assessing constructs from several theoretical frameworks including fear appeal theories. Results Structural equation modeling indicated that perceived colorectal cancer risk, past colonoscopy, fear of colorectal W. Boonyasiriwat : M. Hung : L. M. Pappas : R. W. Burt : A. Y. Kinney Huntsman Cancer Institute, University of Utah, Salt Lake City, USA
cancer, support from family and friends, and health-care provider recommendation were determinants of colonoscopy intention. Conclusions Future interventions to promote colonoscopy in this increased risk population should target the factors we identified as motivators. (ClinicalTrials.gov number NCT01274143). Keywords Colorectal cancer screening . Colonoscopy . Family history . Intention . Extended parallel process model Colorectal cancer is the third most common cancer diagnosed and the second leading cause of cancer death in both men and women in the USA. A family history of colorectal cancer is R. W. Burt Division of Gastroenterology, Department of Medicine, School of Medicine, University of Utah, Salt Lake City, USA
M. Hung e-mail: [email protected] W. Boonyasiriwat (*) Faculty of Psychology, Chulalongkorn University, 7th Fl. Borommaratchonnani Srisattapat Bldg., Rama 1 Rd., Patumwan, Bangkok, 10330, Thailand e-mail: [email protected] M. Hung : S. D. Hon Department of Orthopaedic Surgery Operations, University of Utah, Salt Lake City, USA S. D. Hon University of Utah College of Computer & Electrical Engineering, Salt Lake City, USA
M. D. Schwartz Department of Oncology, Cancer Prevention and Control Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC, USA A. M. Stroup : A. Y. Kinney Division of Epidemiology, Department of Internal Medicine, School of Medicine, University of Utah, Salt Lake City, USA
M. Hung Division of Epidemiology, Department of Medicine, School of Medicine, University of Utah, Salt Lake City, USA
P. Tang School of Medicine, University of Utah, Salt Lake City, USA P. Tang Tou
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