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The Association between Sleep Problems and Psychotic Symptoms in the General Population: A Global Perspective
Södertörn University, School of Social Sciences, SCOHOST (Stockholm Centre for Health and Social Change). Fundacio St Joan de Deu, Parc Sanitari St Joan de Deu, Barcelona, Spain / Inst Salud Carlos III, CIBERSAM, Madrid, Spain.ORCID iD: 0000-0002-9565-5004
Södertörn University, School of Social Sciences, Sociology. Södertörn University, School of Social Sciences, SCOHOST (Stockholm Centre for Health and Social Change). University of Tokyo, Tokyo, Japan / Natl Ctr Neurol & Psychiat, Natl Inst Mental Hlth, Tokyo, Japan.ORCID iD: 0000-0002-1260-2223
2015 (English)In: Sleep, ISSN 0161-8105, E-ISSN 1550-9109, Vol. 38, no 12, 1875-1885 p.Article in journal (Refereed) Published
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Abstract [en]

Study Objectives: To assess the prevalence of sleep problems and their association with psychotic symptoms using a global database. Design: Community-based cross-sectional study. Setting: Data were analyzed from the World Health Organization's World Health Survey (WHS), a population-based survey conducted in 70 countries between 2002 and 2004. Patients or Participants: 261,547 individuals aged >= 18 years from 56 countries. Interventions: N/A. Measurements and Results: The presence of psychotic symptoms in the past 12 months was established using 4 questions pertaining to positive symptoms from the psychosis screening module of the Composite International Diagnostic Interview. Sleep problems referred to severe or extreme sleep problems in the past 30 days. Multivariable logistic regression was used to estimate the associations. The overall prevalence of sleep problems was 7.6% and ranged from 1.6% (China) to 18.6% (Morocco). Sleep problems were associated with significantly higher odds for at least one psychotic symptom in the vast majority of countries. In the pooled sample, after adjusting for demographic factors, alcohol consumption, smoking, and chronic medical conditions, having sleep problems resulted in an odds ratio (OR) for at least one psychotic symptom of 2.41 (95% confidence interval [CI] 2.18-2.65). This OR was 1.59 (1.40-1.81) when further adjusted for anxiety and depression. Conclusions: A strong association between sleep problems and psychotic symptoms was observed globally. These results have clinical implications and serve as a basis for future studies to elucidate the causal association between psychotic symptoms and sleep problems.

Place, publisher, year, edition, pages
2015. Vol. 38, no 12, 1875-1885 p.
Keyword [en]
low- and middle-income countries, psychotic experience, sleep disturbance, multi-country, population-based, prevalence
National Category
Sociology
Identifiers
URN: urn:nbn:se:sh:diva-28990DOI: 10.5665/sleep.5232ISI: 000365616300011PubMedID: 26085291OAI: oai:DiVA.org:sh-28990DiVA: diva2:891489
Available from: 2016-01-07 Created: 2016-01-07 Last updated: 2017-07-17Bibliographically approved

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