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Prevalence and correlates for sleep complaints in older adults in low and middle income countries: a 10/66 Dementia Research Group study.

Abstract

BACKGROUND

Although it is well recognized that the prevalence of sleep complaints increases with age, estimates in developing countries are still unknown. The present study aims to estimate the prevalence and prevalence ratios of the correlates of sleep complaints in a large population of older adults from low and middle income countries (LAMICs).

METHODS

A cross-sectional survey was performed in 16,680 65 year-old or older residents in catchment areas of Cuba, the Dominican Republic, Peru, Venezuela, Mexico, China, India, and Puerto Rico (10/66 Dementia Research Group study). Information about socio-demographic factors, lifestyle, health, and sleep complaints was obtained. Results were standardized by age, sex, household clustering, and residence site (urban or rural). Prevalence ratios were derived for each country and fixed effects meta-analyses were used to combine them.

RESULTS

The standardized prevalence of sleep complaints varied from 9.1% (China) to 37.7% (India). The meta-analysis showed that female gender, urban residence, low educational level, low physical activity status, high pain scores, poor health, higher memory impairment score, presence of major depression, mild cognitive impairment, and high number of co-morbidities were associated with sleep complaints.

CONCLUSIONS

This study robustly characterized the prevalence of sleep complaints in large samples of the elderly in LAMICs and identified potential risk factors that may be specific to these populations. This approach can help to direct health-care efforts related to sleep disturbances in these countries.

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  • Publisher Full Text
  • Authors+Show Affiliations

    ,

    Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, Brazil.

    , , ,

    Source

    Sleep medicine 13:6 2012 Jun pg 697-702

    MeSH

    Aged
    Aged, 80 and over
    Comorbidity
    Cross-Sectional Studies
    Dementia
    Developing Countries
    Female
    Humans
    Male
    Prevalence
    Risk Factors
    Rural Population
    Sleep Wake Disorders
    Socioeconomic Factors
    Urban Population

    Pub Type(s)

    Journal Article
    Meta-Analysis

    Language

    eng

    PubMed ID

    22503944

    Citation

    * When formatting your citation, note that all book, journal, and database titles should be italicized* Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Prevalence and correlates for sleep complaints in older adults in low and middle income countries: a 10/66 Dementia Research Group study. AU - Mazzotti,Diego Robles, AU - Guindalini,Camila, AU - Sosa,Ana Luisa, AU - Ferri,Cleusa P, AU - Tufik,Sergio, Y1 - 2012/04/12/ PY - 2011/12/07/received PY - 2012/02/14/revised PY - 2012/02/16/accepted PY - 2012/4/17/entrez PY - 2012/4/17/pubmed PY - 2012/10/17/medline SP - 697 EP - 702 JF - Sleep medicine JO - Sleep Med. VL - 13 IS - 6 N2 - BACKGROUND: Although it is well recognized that the prevalence of sleep complaints increases with age, estimates in developing countries are still unknown. The present study aims to estimate the prevalence and prevalence ratios of the correlates of sleep complaints in a large population of older adults from low and middle income countries (LAMICs). METHODS: A cross-sectional survey was performed in 16,680 65 year-old or older residents in catchment areas of Cuba, the Dominican Republic, Peru, Venezuela, Mexico, China, India, and Puerto Rico (10/66 Dementia Research Group study). Information about socio-demographic factors, lifestyle, health, and sleep complaints was obtained. Results were standardized by age, sex, household clustering, and residence site (urban or rural). Prevalence ratios were derived for each country and fixed effects meta-analyses were used to combine them. RESULTS: The standardized prevalence of sleep complaints varied from 9.1% (China) to 37.7% (India). The meta-analysis showed that female gender, urban residence, low educational level, low physical activity status, high pain scores, poor health, higher memory impairment score, presence of major depression, mild cognitive impairment, and high number of co-morbidities were associated with sleep complaints. CONCLUSIONS: This study robustly characterized the prevalence of sleep complaints in large samples of the elderly in LAMICs and identified potential risk factors that may be specific to these populations. This approach can help to direct health-care efforts related to sleep disturbances in these countries. SN - 1878-5506 UR - https://www.unboundmedicine.com/medline/citation/22503944/Prevalence_and_correlates_for_sleep_complaints_in_older_adults_in_low_and_middle_income_countries:_a_10/66_Dementia_Research_Group_study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S1389-9457(12)00108-6 DB - PRIME DP - Unbound Medicine ER -