{"id":33814,"date":"2014-04-01T00:00:00","date_gmt":"2018-12-03T23:18:10","guid":{"rendered":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/differences-in-response-to-a-dietary-intervention-between\/"},"modified":"2018-12-04T00:18:10","modified_gmt":"2018-12-03T23:18:10","slug":"differences-in-response-to-a-dietary-intervention-between","status":"publish","type":"resume","link":"https:\/\/aprifel-pp.mentalworks.biz\/fr\/resume-scientifique\/differences-in-response-to-a-dietary-intervention-between\/","title":{"rendered":"Differences in Response to a Dietary Intervention Between the General Population and First-Degree Relatives of Colorectal Cancer Patients."},"content":{"rendered":"

OBJECTIVE<\/strong>
\nTo determine whether response to a dietary intervention is greater among people with family history of colorectal cancer (CRC) compared with a general population.<\/p>\n

DESIGN<\/strong>
\nCohort study examining participants from 2 related studies.<\/p>\n

SETTING<\/strong>
\nRural Virginia.<\/p>\n

PARTICIPANTS<\/strong>
\nSeventy people with first-degree relatives with CRC and 113 participants from the intervention arm of a trial in the general population.<\/p>\n

INTERVENTION<\/strong>
\nBoth studies implemented a low-intensity intervention delivered via telephone and mail, including low-literacy self-help booklets and personalized dietary feedback.<\/p>\n

MAIN OUTCOME MEASURES<\/strong>
\nFat, fiber, and fruit and vegetable behavior.<\/p>\n

ANALYSIS<\/strong>
\nPropensity score matching controlled for confounders. Mixed-model ANOVAs compared samples; mediation by perceived cancer risk was assessed.<\/p>\n

RESULTS<\/strong>
\nParticipants in both groups significantly improved fat, fiber, and fruit and vegetable behavior at 1-month follow-up; there was significantly greater improvement in the general population sample. Cancer risk perception did not mediate the relationship between study sample and dietary change.<\/p>\n

CONCLUSIONS AND IMPLICATIONS<\/strong>
\nContrary to expectations, first-degree relatives of CRC patients did not respond better to a dietary intervention than the general population, nor was risk perception related to dietary change. Given the role of diet in CRC risk, additional research should investigate targeted strategies to improve dietary intakes of people at higher cancer risk.<\/p>\n","protected":false},"template":"","mots_cles":[],"class_list":["post-33814","resume","type-resume","status-publish","hentry"],"acf":{"adresse":"Department of Biostatistics and Massey Cancer Center, Virginia Commonwealth University, Richmond, VA. 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