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首页> 外文期刊>Preventive Medicine: An International Journal Devoted to Practice and Theory >Understanding Intention to Undergo Colonoscopy among Intermediate-Risk Siblings of Colorectal Cancer Patients: A Test of a Mediational Model.
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Understanding Intention to Undergo Colonoscopy among Intermediate-Risk Siblings of Colorectal Cancer Patients: A Test of a Mediational Model.

机译：了解结直肠癌患者中级同胞兄弟姐妹接受结肠镜检查的意图：中介模型的测试。

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Background. There is a need for research to identify factors influencing intentions to undergo colorectal cancer (CRC) screening among family members at risk for CRC. This study tested a mediational model primarily guided by Ronis' elaboration of the Health Belief Model in predicting intention to have colorectal cancer screening among siblings of individuals diagnosed with colorectal cancer prior to age 56 years.Methods. Data were collected from 534 siblings of individuals diagnosed with CRC. A baseline survey was administered by telephone. Measures included perceived susceptibility, CRC severity, physician and family support for CRC screening, cancer-specific distress, the closeness of the relationship with the affected sibling, and future intention to have a colonoscopy. Participant age, gender, and number of prior colonoscopies, as well as the stage of the affected patient's cancer and time from the patient's diagnosis to the interview, were controlled for in the analyses.Results. The proposed modelwas not a good fit to the data. A respecified model was fit to the data. In this model, physician support, family support, and sibling closeness were significantly associated with both perceived benefits and barriers. Perceived severity was associated with barriers. Benefits and barriers, as well as cancer-specific distress, were directly associated with colonoscopy intentions. Results were consistent with a mediational role for benefits and barriers in the associations of sibling closeness and with a mediational role for barriers in the association between perceived severity and colonoscopy intentions. Family and physician support impacted intentions both directly and indirectly through effects on benefits and barriers. Perceived risk was not associated with benefits, barriers, or colonoscopy intentions.Conclusion. Intervention efforts to increase colonoscopy intentions may benefit from targeting family influences, particularly the affected proband in the family, as well as physician influence, cancer-related distress, perceived CRC severity, and perceived benefits and barriers to colonoscopy.
机译：背景。需要进行研究以找出影响有患CRC风险的家庭成员进行结肠直肠癌（CRC）筛查意图的因素。这项研究测试了一个主要由Ronis阐述的健康信念模型为指导的中介模型，该模型预测了在56岁之前被诊断患有大肠癌的同胞中进行大肠癌筛查的意图。从534名被诊断患有CRC的同胞中收集数据。基线调查通过电话进行。措施包括感知的易感性，CRC的严重程度，医生和家人对CRC筛查的支持，癌症特有的困扰，与患病兄弟姐妹的亲密关系以及将来是否打算进行结肠镜检查。分析了参加者的年龄，性别和以前的结肠镜检查数量，以及患病癌症的阶段和从诊断到访谈的时间。结果。所提出的模型与数据不太吻合。重新指定的模型适合该数据。在此模型中，医师的支持，家庭的支持和兄弟姐妹的亲密感与感知到的收益和障碍显着相关。感知的严重程度与障碍相关。益处和障碍以及癌症特有的困扰与结肠镜检查的意图直接相关。结果与兄弟姐妹亲密关系中的益处和障碍的中介作用以及感知的严重程度和结肠镜检查意图之间的障碍中的中介作用一致。家庭和医生通过影响利益和障碍直接或间接地支持受影响的意图。感知风险与收益，障碍或结肠镜检查意图无关。针对家庭的影响，特别是家庭中受影响的先证者，以及医生的影响，与癌症相关的困扰，CRC的严重程度以及结肠镜检查的益处和障碍，可能有助于增加结肠镜检查意图的干预工作。

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