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Abstract Purpose The fecal immunochemical test (FIT) is a non-invasive method for colorectal cancer (CRC) screening, particularly effective in underserved Vietnamese American communities with low screening rates. This study reports on a culturally tailored multilevel intervention, incorporating FIT, aimed at increasing CRC screening among these populations aged 50 or above in the Greater Philadelphia metropolitan area. Methods From 2017 to 2020, we conducted a two-arm cluster randomized controlled trial to test the efficacy of a culturally tailored, multicomponent multilevel intervention aimed at increasing CRC screening uptake via enhanced self-awareness and self-efficacy, improved access to care, and changes in social norms and removal of stigma. The intervention group received multicomponent, multilevel CRC intervention including provision of a FIT self-sampling kit, with intervention approaches informed by the Centers for Disease Control's Clinical Preventive Services (CPS) Guidelines for adults 50+. The control group received only the CPS education. Results The study sample consisted of 746 eligible Vietnamese American participants recruited from 20 community-based organizations, with 95% having limited English proficiency. At 12-month follow-up, the intervention group showed substantially higher rates of FIT completion (89.56% vs. 7.59%, p < .001) and any CRC testing (91.48% vs. 42.41%, p < .001) compared to the control group. Conclusion The results suggest that the community-based, culturally-tailored multilevel intervention, which incorporates with FIT self-testing, effectively enhances CRC screening among low-income Vietnamese Americans. Additionally, these results underscore the significance of community-oriented strategies, like collaborating with relevant community-based organizations, in achieving CRC screening targets.
Grace et al. (Thu,) studied this question.