ArticleBMC public health2025
Exploring factors influencing decision making for colonoscopy in first-degree relatives of patients with colorectal cancer: a mixed-methods study.
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundA family history of colorectal cancer among first-degree relatives is recognized as one of the most significant and prevalent risk factors for colorectal cancer in China. Colonoscopy remains the most crucial screening method, as early colonoscopy screening can effectively reduce the risk of advanced colorectal cancer. However, the factors influencing the decision-making behavior of first-degree relatives regarding colonoscopy screening have predominantly been examined through quantitative studies, while mixed-methods research remains scarce. This study aimed to evaluate the decision-making behaviors of first-degree relatives of patients with colorectal cancer and to identify the factors influencing these behaviors.
methodsAn explanatory sequential design was adopted within a mixed-methods framework. For the quantitative phase, convenience sampling was used to select 272 first-degree relatives of colorectal cancer patients who were treated at a tertiary hospital's gastrointestinal surgery department in Wuhan, China from March to December 2023, for a questionnaire survey. For the qualitative component, a maximum variation purposive sampling method, guided by the Protection Motivation Theory, was employed to select 16 participants from the initial survey group for semi-structured interviews.
resultsOur findings revealed that participants had a high health belief score. Key factors influencing their decision to undergo colonoscopy screening included marital status, average monthly household income, medical payment method, and perceived severity. The qualitative study identified six core themes: perceived susceptibility, perceived severity, internal and external rewards, response efficacy, response costs, and self-efficacy.
conclusionMedical staff should focus on first-degree relatives of colorectal cancer who are unmarried or widowed, have lower family income, have lower reimbursement rate of medical insurance, and lack of disease severity perception. Through establishing social support system, issuing subsidies for colonoscopy screening, increasing reimbursement rate of medical insurance, emphasizing the severity of colorectal cancer, to enhance their health belief level and promote colonoscopy screening decision-making behavior.
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