Craig Morgan|Maia Hibben|Oluyomi Esan|Sujit John|Vikram Patel|Helen A. Weiss|Robin M. Murray|Gerard Hutchinson|Oye Gureje|Thara Rangaswamy|Alex Cohen
Searching for psychosis: INTREPID (1): systems for detecting untreated and first-episode cases of psychosis in diverse settings
King's College London|University of the West Indies|University of Ibadan|Schizophrenia Research Foundation|London School of Hygiene & Tropical Medicine|London School of Hygiene & Tropical Medicine|South London and Maudsley NHS Foundation Trust|King's College London|National Institute for Health Research|University of the West Indies|University of Ibadan|Schizophrenia Research Foundation|London School of Hygiene & Tropical Medicine
understanding psychotic disorders largely based studies conducted north america europe australasia methodologically robust comparable studies carried settings intrepid programme research psychoses india nigeria trinidad platform intrepid sought establish comprehensive systems detecting representative samples cases psychosis mapping seeking engage professional folk traditional providers potential key informants defined catchment areaswe used combination official sources local knowledge principal investigators snowballing techniquesthe structure mental health systems catchment area similar content ie type extent nature differed tunapunapiarco trinidad example comprehensive accessible professional services contrast ibadan nigeria extensive folk traditional sector identified engaged detection systema professional mental health services site outpatient serviceschengalpet 6 ibadan 3 trinidad 5 b wide range folk providers chengalpet 3 major healing sites ibadan 19 healers trinidad 12 healers c number key informants depending need chengalpet 361 ibadan 54 trinidad 1marked differences mental health systems catchment area illustrate necessity developing tailored systems detection representative samples cases untreated firstepisode psychosis basis robust comparative epidemiological studies