Socio-economic status, gender, and race are all related to abnormality. Women are more likely to have anorexia, bulimia, or anxiety disorders than men, who are more likely to be substance abusers. Poor people are more likely to be diagnosed schizophrenic than rich people. American children suffer a high incidence of disorders of under-control compared to over-control, which is prevalent in the West Indies. All these could be biases in diagnosis and measurement rather than actual differences.