Willingness to pay for supplementary medical insurance and its influencing factors among rural residents in ethnic minority areas

All three categories of factors within the Andersen model framework significantly affected rural residents' willingness to pay in Tongdao County. A disconnect between willingness to pay and actual behavior concerning supplementary medical insurance was observed in the rural areas of Tongdao County. The construction and improvement of supplementary medical insurance in this context require joint efforts from all stakeholders to develop sustainably.