Income, income inequality and schizophrenia in China: a population-based multilevel analysis

Background Previous studies have suggested that socio-environmental factors interact with genetic risk in the genesis of schizophrenia. This study aimed to investigate the relationship between income, income inequality and schizophrenia and its heterogeneity among different geographic scales and subgroups. Methods We used data from the Second China National Sample Survey on Disability (2006). The sample consisted of 1 909 205 participants aged...