Association between rural-to-urban migrants’ social medical insurance, social integration and their medical return in China: a nationally representative cross-sectional data analysis

摘要

BackgroundWithout social medical insurance in the destination areas and with low social integration, rural-to-urban migrants had barriers to health service in the destination areas, some of the migrants had to seek health service in hometown, namely medical return. This study aimed at exploring the association between rural-to-urban migrants’ medical return and social medical insurance type or social integration.