Figure 3.

Annual proportion of women in schizophrenia in research papers from 1971–2020 according to the country of publication’s World Bank income classification. The middle horizontal line reports the expected proportion of women (41.32%) from the global population of people with schizophrenia (with the 95% confidence interval in dashed lines), estimated in the Aleman, Kahn and Selten’s 2003 metanalysis’ on epidemiological studies. Dashed lines in red and blue represent the meta-analytic model including all studies, alongside the residual variance of the model (I²).