How is epidemiology of schizophrenia?

1% of the worlds population has schizophrenia •Costs billions of USD annually due to hospitalization, lost wages, disability benefits, lost of productivity… •High risk for physical illness & suicide: 15% suicide. •Prevalence same for men & women; onset age 16-25 •In men begins earlier & may be > severe; women > favorable outcome As age increases, above 30 females become more susciptible. All economic groups but is concentrated in poor populations Downward drift theory: Lower socioeconomic status →stress→ disease ? OR The disease→ dysfunction→ lower socioeconomic status ?