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Gepubliceerd in: Journal of Behavioral Medicine 5/2015

18-03-2015

Effects of genetic and environmental risk assessment feedback on colorectal cancer screening adherence

Auteurs: Ronald E. Myers, Karen Ruth, Sharon L. Manne, James Cocroft, Randa Sifri, Barry Ziring, Desiree Burgh, Eric Ross, David S. Weinberg

Gepubliceerd in: Journal of Behavioral Medicine | Uitgave 5/2015

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Abstract

Little is known about the impact of genetic and environmental risk assessment (GERA) feedback on colorectal cancer (CRC) screening. In a recently completed randomized trial, primary care patients received GERA feedback based on a blood test for genetic polymorphisms and serum folate level (GERA Group) versus usual care (Control Group). Subsequently, participants were offered CRC screening. Among participants who received GERA feedback, being at elevated risk was negatively associated with prospective CRC screening adherence. Secondary analyses of data from this study were performed to identify independent predictors of adherence among participants who received GERA feedback. We obtained baseline survey, follow-up survey, and endpoint medical records data on sociodemographic background, knowledge, psychosocial characteristics, risk status, and adherence for 285 GERA Group participants. Univariate and multivariable analyses were performed to identify predictors of CRC screening adherence. Following a 6-month outcomes observation period, we also conducted two focus groups with GERA Group participants to assess their perceptions of GERA risk feedback and screening. Content analyses of focus group data were evaluated to gain insights into participant response to risk feedback. Overall, half of GERA Group participants adhered to screening within 6 months after randomization. Multivariable analyses showed a statistically significant interaction between race and GERA feedback status relative to screening adherence (p = 0.043). Among participants who received average risk feedback, adherence was comparable among whites (49.7 %) and nonwhites (54.1 %); however, among those at elevated risk, adherence was substantially higher among whites (66.7 %) compared to nonwhites (33.3 %). Focus group findings suggest that whites were more likely than nonwhites to view elevated risk feedback as a prompt to screen. In response to receiving elevated risk feedback, nonwhites were more likely than whites to report feeling anxiety about the likelihood of being diagnosed with CRC. Further research is needed to explore race-related CRC screening differences in response to GERA feedback.
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Metagegevens
Titel
Effects of genetic and environmental risk assessment feedback on colorectal cancer screening adherence
Auteurs
Ronald E. Myers
Karen Ruth
Sharon L. Manne
James Cocroft
Randa Sifri
Barry Ziring
Desiree Burgh
Eric Ross
David S. Weinberg
Publicatiedatum
18-03-2015
Uitgeverij
Springer US
Gepubliceerd in
Journal of Behavioral Medicine / Uitgave 5/2015
Print ISSN: 0160-7715
Elektronisch ISSN: 1573-3521
DOI
https://doi.org/10.1007/s10865-015-9626-5

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