Chronic Conditions, New Onset, and Persistent Disability in the Ibadan Study of Aging.

Journal: The journals of gerontology. Series A, Biological sciences and medical sciences

Volume: 72

Issue: 7

Year of Publication: 2017

Affiliated Institutions:  World Health Organization (WHO) Collaborating Centre for Research and Training in Mental Health, Neuroscience, and Substance Abuse, Department of Psychiatry, College of Medicine, University of Ibadan, Nigeria. Department of Epidemiology and Biostatistics, College of Human Medicine, Michigan State University, East Lansing.

Abstract summary 

Information about the contribution of chronic conditions to disability in the sub-Saharan African older persons is derived from implicit data. We investigated the association of chronic conditions with incident and persistent disability among community-dwelling elderly Nigerians.We followed disability-free participants in a household cluster randomized sample of 2,149 Nigerians, aged 65 years or older, in three waves over 5 years (2003-2009). Disability was measured using culturally adapted tools. Dementia and depression were ascertained using validated interviewer-administered measures. The presence of pain in six sites, angina, systemic hypertension, diabetes, heart and respiratory disease, and vision and hearing impairment were assessed using standardized self-report of clinician diagnoses. Independent predictors of disability were investigated using separate multivariate binomial and multinomial regression models with Bonferroni corrections.Among 1,887 disability-free participants, 457 (24.2%) had incident disability over 5 years; there were 234 (12.4%), 177 (9.4%), and 106 (5.6%) new cases in each of the waves. A total of 181 (10.0%) persons had disability persistently. Having a pain condition (relative risk ratio [RRR] = 4.7, 95% confidence interval [CI] = 2.0-11.0), especially when nonlocalizing (RRR = 1.5, 95% CI = 1.0-2.2), was the main predictor of incident disability in the study. Dementia was associated with cumulative deaths over 5 years (RRR = 3.5, 95% CI = 2.3-5.3). There were no significant associations between having a chronic condition and persistent disability following correction for false discovery rates.Using direct measurements, musculoskeletal pain appears to be the most disabling condition in this sub-Saharan African elderly cohort surviving for up to 5 years with chronic conditions. Dementia may be associated with early death.

Authors & Co-authors:  Ojagbemi Akin A Bello Toyin T Luo Zhehui Z Gureje Oye O

Study Outcome 

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Statistics
Citations :  Murray C, Lopez A. The Global Burden of Disease: A Comprehensive Assessment of Mortality and Disability From Diseases, Injuries, and Risk Factors in 1990 and Projected to 2020. Cambridge, MA: Harvard School of Public Health; 1996.
Authors :  4
Identifiers
Doi : 10.1093/gerona/glv188
SSN : 1758-535X
Study Population
Male,Female
Mesh Terms
Activities of Daily Living
Other Terms
Disability-adjusted life–years;Disease burden;Low- and middle-income countries;Years lived with disability.;Years of life lost
Study Design
Cohort Study,Randomized Control Trial,Cross Sectional Study
Study Approach
Systemic Review
Country of Study
Niger
Publication Country
United States