The Association between Sleep Problems and Psychotic Symptoms in the General Population: A Global Perspective

Koyanagi, Ai; Stickley, Andrew

doi:10.5665/sleep.5232

Cited by 166 publications

(162 citation statements)

References 36 publications

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“…In accordance with previous WHS publications, those who answered severe and extreme were considered to have anxiety [28,29].…”

Section: Anxiety (Outcome Variable)mentioning

confidence: 71%

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The relationship between chronic physical conditions, multimorbidity and anxiety in the general population: A global perspective across 42 countries

Vancampfort

Koyanagi

Hallgren

et al. 2017

General Hospital Psychiatry

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“…In accordance with previous WHS publications, those who answered severe and extreme were considered to have anxiety [28,29].…”

Section: Anxiety (Outcome Variable)mentioning

confidence: 71%

“…A second limitation is that the anxiety variable used was based on a single question. However, this question has been used in previous WHS publications to define anxiety [28,29]. The assessment of the degree anxiety symptoms may have been enhanced by our use of severe and extreme categories.…”

Section: Limitations and Future Researchmentioning

confidence: 99%

The relationship between chronic physical conditions, multimorbidity and anxiety in the general population: A global perspective across 42 countries

Vancampfort

Koyanagi

Hallgren

et al. 2017

General Hospital Psychiatry

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“…The relationship may be bi-directional to some extent. Moreover, the pathways between disability and psychotic experiences are unclear, but may include the mediating roles of social support (Saha et al, 2012) and social deafferentation (Hoffman, 2007), as well as sleep deprivation (Koyanagi et al, 2016; Oh et al, 2016), psychological distress (Armando et al, 2010), and neuropsychological impairment (e.g. memory, see Mollon et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Psychotic experiences and disability: Findings from the Collaborative Psychiatric Epidemiology Surveys

Koyanagi

Kelleher

et al. 2018

Schizophrenia Research

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“…Each potential mediator was included in the models separately, and the models were adjusted for age, sex, education, wealth and country. For all analyses, adjustment for country was done by including dummy variables for each country as in previous WHS publications [37, 44]. The percentage of missing values for all the variables used in this study were <10% with the exception of the number of chronic conditions (10.9%), edentulism (12.2%), and tuberculosis (15.0%).…”

Section: Methodsmentioning

confidence: 99%

Chronic physical conditions, multimorbidity and physical activity across 46 low- and middle-income countries

Vancampfort

Koyanagi

Ward

et al. 2017

Int J Behav Nutr Phys Act

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BackgroundThere are no nationally representative population-based studies investigating the relationship between physical activity, chronic conditions and multimorbidity (i.e., two or more chronic conditions) in low- and middle-income countries (LMICs), and studies on a multi-national level are lacking. This is an important research gap, given the rapid increase in the prevalence of chronic diseases associated with lifestyle changes in these countries. This cross-sectional study aimed to assess the association between chronic conditions, multimorbidity and low physical activity (PA) among community-dwelling adults in 46 LMICs, and explore the mediators of these relationships.MethodsWorld Health Survey data included 228,024 adults aged ≥18 years from 46 LMICs. PA was assessed by the International Physical Activity Questionnaire (IPAQ). Nine chronic physical conditions (chronic back pain, angina, arthritis, asthma, diabetes, hearing problems, tuberculosis, visual impairment and edentulism) were assessed. Multivariable logistic regression and mediation analyses were used to assess the association between chronic conditions or multimorbidity and low PA.ResultsOverall, in the multivariable analysis, arthritis (OR = 1.12), asthma (1.19), diabetes (OR = 1.33), edentulism (OR = 1.46), hearing problems (OR = 1.90), tuberculosis (OR = 1.24), visual impairment (OR = 2.29), multimorbidity (OR = 1.31; 95% CI = 1.21–1.42) were significantly associated with low PA. More significant associations were observed in individuals aged ≥50 years. In older adults, depression mediated between 5.1% (visual impairment) to 23.5% (angina) of the association between a chronic condition and low PA. Mobility difficulties explained more than 25% of the association for seven of the eight chronic conditions. Pain was a strong mediator for angina (65.9%) and arthritis (64.9%), while sleep problems mediated up to 43.7% (angina) of the association.ConclusionsIn LMICs, those with chronic conditions and multimorbidity are significantly less physically active (especially older adults). Research on the efficacy and effectiveness of PA in the management of chronic diseases in LMICs is urgently needed. Targeted promotion of physical activity to populations in LMICs experiencing chronic conditions may ameliorate associated depression, mobility difficulties and pain that are themselves important barriers for initiating or adopting an active lifestyle.Electronic supplementary materialThe online version of this article (doi:10.1186/s12966-017-0463-5) contains supplementary material, which is available to authorized users.

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The Association between Sleep Problems and Psychotic Symptoms in the General Population: A Global Perspective

Abstract: 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.

Cited by 166 publications

References 36 publications

The relationship between chronic physical conditions, multimorbidity and anxiety in the general population: A global perspective across 42 countries

The relationship between chronic physical conditions, multimorbidity and anxiety in the general population: A global perspective across 42 countries

Psychotic experiences and disability: Findings from the Collaborative Psychiatric Epidemiology Surveys

Chronic physical conditions, multimorbidity and physical activity across 46 low- and middle-income countries

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