The Trade-Offs that Vietnamese Women Make in Early Detection Services for Breast Cancer: Insights from a Discrete Choice Experiment Using a Latent Class Model

Vinh-Quang Tran; Viet Cuong Le Dang; Anh Phuong Ngoc Ta; Thanh Van Phan Nguyen; Yen Nhi Ngo Hoang; Toi Phung; Anh Tuan Ho Nguyen; Trung Vo

Asian Pacific Journal of Cancer Prevention · 2026 · Tập 27(4) · 1523-1534

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Tóm tắt

INTRODUCTION: Delays in diagnosis and treatment are common among Vietnamese breast cancer (BC) patients. This study analyzed women's preferences regarding breast cancer screening (BCS) programs and mammography screening to support the government in implementing population-based BCS. METHODS: We conducted literature reviews, focus group discussions, and qualitative interviews to develop the attributes and levels of a discrete choice experiment (DCE) involving [breast cancer screening (BCS) programs and mammography screening. The BCS program included] seven attributes (screening test staff's gender, method of invitation, free breast self-exam course, waiting time, combined screening test, screening location, and cost), and mammography screening included five attributes (comfort level, screening test staff's gender, false positives, overdiagnosis, and cost). The choice data were analyzed using a latent class model. Uptake was predicted, and policy scenarios were formulated. RESULTS: A total of 1,023 women, with an average age of 33.4 years, completed the DCE survey. In the BCS scenario, respondents in all classes preferred a combination of screening tests and lower costs, except for the smallest class of participants. Screening location and waiting time were influential components in decision-making for all women. Most participants were sensitive to organizational characteristics and costs. In the mammography screening scenario, respondents' preferences were strongly influenced by the gender of screening test personnel, false positives, and costs across all classes. CONCLUSION: Women in Vietnam exhibit heterogeneous preferences for breast cancer screening (BCS) programs and mammography screening. This study provides supporting evidence related to Vietnamese women's preferences for BCS, which may be valuable for public health authorities.

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