“…CFPS is a multi-level, multi-dimensional, and long-term comprehensive tracking survey project that involves data at the individual, family, and community levels, reflecting changes in China’s society, economy, population, education, and health [ 31 ]. The CFPS, a national representative survey, is a representative social survey conducted nationwide biennially since 2010 to better understand social change [ 32 ]. The 2018 survey covers 14960 households in 25 provinces/cities/autonomous regions in mainland China except Tibet, Qinghai, Ningxia, Xinjiang and Inner Mongolia.…”