Journal article

Translating the epidemiology of psychosis into public mental health: evidence, challenges and future prospects.

James Kirkbride, Jeremy W Coid, Craig Morgan, Paul Fearon, Paola Dazzan, Min Yang, Tuhina Lloyd, Glynn L Harrison, Robin M Murray, Peter B Jones

Journal of Public Mental Health | Published : 2010

Abstract

Genetic and environmental factors are associated with psychosis risk, but the latter present more tangible markers for prevention. We conducted a theoretical exercise to estimate the proportion of psychotic illnesses that could be prevented if we could identify and remove all factors that lead to increased incidence associated with ethnic minority status and urbanicity. Measures of impact by population density and ethnicity were estimated from incidence rate ratios [IRR] obtained from two methodologically-similar first episode psychosis studies in four UK centres. Multilevel Poisson regression was used to estimate IRR, controlling for confounders. Population attributable risk fractions [PAR]..

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