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The prevalence of multimorbidity and its associations in community-dwelling older adults in rural Tanzania; a cross- sectional study

Article scientifique 2022 Anglais

Résumé

Abstract Objectives: This paper aims to describe the prevalence, patterns and factors associated with multimorbidity, by both self-report and clinical assessment/screening methods in community-dwelling older people living in rural Tanzania. Methods: A randomised frailty-weighted sample of non-institutionalised adults aged ≥60 years underwent comprehensive geriatric assessment and in-depth assessment. The comprehensive geriatric assessment consisted of a history and focused clinical examination. The in-depth assessment included standardised questionnaires, screening tools and blood pressure measurement. The prevalence of multimorbidity was calculated for self-report and non-self-reported methods (clinician diagnosis, screening tools and direct measurement). Multimorbidity was defined as having two or more conditions. The socio-demographic associations with multimorbidity were investigated by multivariate logistic regression.Results: A sample of 235 adults participated in the study, selected from a screened sample of 1207. The mean age was 75 years (range 60 to 110) and 136 (57.8%) were women. Adjusting for frailty-weighting, the prevalence of self-reported multimorbidity was 26.1% (95% CI 16.7-35.4), and by clinical assessment/screening was 67.3% (95% CI 57.0-77.5). Adjusting for age, sex, education and frailty status, multimorbidity by self-report increased the odds of being financially dependent on others threefold (OR 3.3 [95% CI 1.4-7.8]), and of a household member reducing their paid employment nearly fourfold (OR 3.8. [95% CI 1.5-9.2]).Conclusions: Multimorbidity is prevalent in this rural lower-income African setting and is associated with evidence of household financial strain. Multimorbidity prevalence is higher when not reliant on self-reported methods, revealing that many conditions are underdiagnosed and undertreated.

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Lewis, E., Gray, W., Walker, R., Urasa, S., Witham, M., Dotchin, C. (2022). The prevalence of multimorbidity and its associations in community-dwelling older adults in rural Tanzania; a cross- sectional study. https://doi.org/10.21203/rs.3.rs-1473383/v1

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Auteur(s)

Emma Grace Lewis William K. Gray Richard Walker Sarah Urasa Miles D. Witham Catherine Dotchin

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