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Journal Article

Citation

Khan A, Prince M, Brayne CE, Prina AM. PLoS One 2015; 10(7): e0132229.

Affiliation

Institute of Public Health, University of Cambridge, Forvie Site, Robinson Way, Cambridge, CB2 0SR, United Kingdom; King's College London, Institute of Psychiatry, Psychology and Neuroscience, Health Service and Population Research Department, Centre for Global Mental Health, De Crespigny Park, London, SE5 8AF, United Kingdom.

Copyright

(Copyright © 2015, Public Library of Science)

DOI

10.1371/journal.pone.0132229

PMID

26146992

Abstract

INTRODUCTION: Traumatic brain injury (TBI) is a growing public health problem around the world, yet there is little information on the prevalence of head injury in low and middle income countries (LMICs). We utilised data collected by the 10/66 research group to investigate the lifetime prevalence of head injury in defined sites in low and middle income countries, its risk factors and its relationship with disability.

METHODS: We analysed data from one-phase cross-sectional surveys of all residents aged 65 years and older (n = 16430) distributed across twelve sites in eight low and middle income countries (China, Cuba, Dominican Republic, India, Venezuela, Mexico, Peru, and Puerto Rico). Self-reported cases of head injury with loss of consciousness were identified during the interview. A sensitivity analysis including data provided by informants of people with dementia was also used to estimate the impact of this information on the estimates. Prevalence ratios (PR) from Poisson regressions were used to identify associated risk factors.

RESULTS: The standardised lifetime prevalence of TBI ranged from 0.3% in China to 14.6% in rural Mexico and Venezuela. Being male (PR: 1.6, 95% CI: 1.29-1.82), younger (PR: 0.95, 95% CI: 0.92-0.99), with lower education (PR 0.91, 95% CI: 0.86-0.96), and having fewer assets (PR 0.92, 95% CI: 0.88-0.96), was associated with a higher prevalence of TBI when pooling estimates across sites.

DISCUSSION: Our analysis revealed that the prevalence of TBI in LMICs is similar to that of developed nations. Considering the growing impact of TBI on health resources in these countries, there is an urgent need for further research.


Language: en

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