Willingness and influencing factors of multitarget stool DNA testing among individuals receiving colonoscopy screening
LÜ Lebin1, FAN Jinqing2, ZHAO Wangfang2, LU Qiwen2, GU Jundi2, GAO Hanlu2
1. Medical School of Ningbo University, Ningbo, Zhejiang 315000, China; 2. The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang 315000, China
Abstract：Objective To investigate the willingness to receiving multitarget stool DNA (MT-sDNA) testing and factors affecting the payment among individuals receiving colonoscopy screening, so as to provide the evidence for the formulation and health economic evaluation of colorectal cancer screening strategies. Methods Individuals at ages of 40 to 75 years that received colonoscopy screening in The Affiliated Hospital of Ningbo University Medical School from August 2021 to March 2022 were sampled. Participants' demographics, living behaviors, family history, willingness to receive MT-sDNA testing and willingness to pay for MT-sDNA testing were collected using questionnaire surveys, and factors affecting the willingness to receive and pay for MT-sDNA testing were analyzed using a multivariable logistic regression model. Results A total of 546 respondents were enrolled, with a mean age of (56.25±8.66) years and including 282 men (51.65%). There were 504 respondents that were willing to receiving MT-sDNA testing (92.31%) and 480 that were willing to pay for the MT-sDNA testing (88.24%). Multivariable logistic regression analysis showed that a family history of colorectal cancer in first-degree relatives (OR=0.246, 95%CI: 0.068-0.888), history of hemorrhoids (OR=0.300, 95%CI: 0.109-0.826) resulted in low willingness to receive MT-sDNA testing, and recognizing the reliability of MT-sDNA testing (OR=5.749, 95%CI: 1.480-22.323), considering no difficulty in sampling for MT-sDNA testing (OR=32.042, 95%CI: 6.666-154.021) and considering a difficulty in sampling for MT-sDNA testing (OR=20.278, 95%CI: 4.405-93.354) resulted in high willingness to receive MT-sDNA testing, while recognizing the reliability of MT-sDNA testing (OR=5.003, 95%CI: 1.761-14.216), concern about the reliability of MT-sDNA testing (OR=4.166, 95%CI: 1.285-13.501), considering no difficulty in sampling for MT-sDNA testing (OR=6.558, 95%CI: 2.105-20.428) and considering a difficulty in sampling for MT-sDNA testing (OR=5.820, 95%CI: 1.810-18.720) resulted in high willingness to pay for the MT-sDNA testing among individuals receiving colonoscopy screening. Conclusion A family history of colorectal cancer in first-degree relatives, history of hemorrhoids and awareness of MT-sDNA testing are factors affecting the willingness to receive and pay for the MT-sDNA testing among individuals receiving colonoscopy screening.
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