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Chronic diseases among older people and co-resident psychological morbidity: a 10/66 Dementia Research Group population-based survey

Published online by Cambridge University Press:  04 April 2011

Mina Honyashiki ,
Cleusa P. Ferri ,
Daisy Acosta ,
Mariella Guerra ,
Yueqin Huang ,
K. S. Jacob ,
Juan J. Llibre-Rodrigues ,
Aquiles Salas ,
Ana Luisa Sosa  and
Joseph Williams
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Mina Honyashiki
Affiliation:
Kyoto University Graduate School of Medicine, School of Public Health, Department of Health Promotion and Human Behavior, Kyoto, Japan Kings College London, Institute of Psychiatry, Health Service and Population Research Department, London, United Kingdom
Cleusa P. Ferri*
Affiliation:
Kings College London, Institute of Psychiatry, Health Service and Population Research Department, London, United Kingdom
Daisy Acosta
Affiliation:
Universidad Nacional Pedro Henriquez Ureña (UNPHU), Santo Domingo, Dominican Republic
Mariella Guerra
Affiliation:
Universidad Peruana Cayetano Heredia, Lima, Peru
Yueqin Huang
Affiliation:
Peking University, Institute of Mental Health, Beijing, China
K. S. Jacob
Affiliation:
Christian Medical College, Vellore, India
Juan J. Llibre-Rodrigues
Affiliation:
Medical University of Havana, Havana, Cuba
Aquiles Salas
Affiliation:
Caracas University Hospital, Caracas, Venezuela
Ana Luisa Sosa
Affiliation:
National Institute of Neurology and Neurosurgery of Mexico, Mexico City, Mexico
Joseph Williams
Affiliation:
Community Health Department, VHS, Chennai, India
Martin J. Prince
Affiliation:
Kings College London, Institute of Psychiatry, Health Service and Population Research Department, London, United Kingdom
*
Correspondence should be addressed to: Cleusa P. Ferri, King's College London; Institute of Psychiatry, Health Service and Population Research Department, P060, De Crespigny Park, London SE5 8AF, United Kingdom. Phone: +44 (0)20 78480340; Fax: +44 (0)20 78485450. Email: [email protected].
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Abstract

Background: This is the first study to investigate the associations between chronic health conditions of older people and their impact on co-resident psychological morbidity using population-based samples in low and middle income countries (LAMICs).

Methods: Single-phase cross-sectional catchment area surveys were undertaken in urban sites in Cuba, Dominican Republic and Venezuela, and in rural and urban catchment areas in Mexico, Peru, India and China. All residents aged 65 years and over were interviewed with a co-resident key informant. Exposures were structured clinical diagnoses (10/66 and DSM-IV dementia and ICD-10 depression), self-reported diagnosis (stroke) and physical impairments. Mediating variables were dependence and disability (WHODAS 2.0), and the outcome was co-resident psychological morbidity assessed using SRQ-20.

Results: Poisson regression analysis was used to estimate the prevalence ratios (PRs) for the associations between health conditions and psychological morbidity in each site, and meta-analysis was used to pool the estimates. 11,988 pairs comprising a participant and a co-resident informant were included in the analysis. After meta-analysis, independent effects were noted for depression (PR2.11; 95% CI 1.82–2.45), dementia (PR 1.98; 95% CI 1.72–2.28), stroke (PR 1.42; 95% CI 1.17–1.71) and physical impairments (PR 1.17; 95% CI 1.13–1.21). The effects were partly mediated through disability and dependence. The mean population attributable fraction of total chronic conditions was 30.1%.

Conclusion: The prevalence of co-resident psychological morbidity is higher among co-residents of older people with chronic conditions. This effect was prominent for, but not confined to, depression and dementia. Attention needs to be directed to chronic conditions.

Keywords

chronic diseasesolder peopledeveloping countriesco-resident depression
Type
Research Article
Information
International Psychogeriatrics , Volume 23 , Issue 9 , November 2011 , pp. 1489 - 1501
Copyright
Copyright © International Psychogeriatric Association 2011

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