Psychotic Experiences in the General Population: A Cross-National Analysis Based on 31 261 Respondents From 18 Countries

摘要: Importance Community-based surveys find that many otherwise healthy individuals report histories of hallucinations and delusions. To date, most studies have focused on the overall lifetime prevalence any these psychotic experiences (PEs), which might mask important features related to types frequencies PEs. Objective explore detailed epidemiologic information about PEs in a large multinational sample. Design, Setting, Participants We obtained data from World Health Organization Mental Surveys, coordinated set community correlates mental disorders representative household samples 18 countries throughout world, 2001 through 2009. Respondents included 31 261 adults (18 years older) who were asked 12-month frequency 6 (2 hallucinatory 4 delusional experiences). analyzed March 2014 January 2015. Main Outcomes Measures Prevalence, frequency, Results Mean (SE) ever having PE was 5.8% (0.2%), with (5.2% [0.2%]) much more common than (1.3% [0.1%]). More two-thirds (72.0%) respondents reported experiencing only 1 type. Psychotic typically infrequent, 32.2% reporting occurrence 31.8% 2 5 occurrences. found significant relationship between type frequent episodes (Cochran-Armitage z  = −10.0; P range, 7.1-58.2;  = 16.0;  = 23.2;  = 10.6; 3  = 16.9; Conclusions Relevance The are nuanced previously thought. Research is needed focuses similarities differences predictors onset, course, consequences distinct