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A preliminary cross-national study of a possible relationship between elderly suicide rates and tuberculosis

Published online by Cambridge University Press:  05 June 2009

Ajit Shah
Ajit Shah*
Affiliation:
Ageing, Ethnicity and Mental Health, International School for Communities, Rights and Inclusion, University of Central Lancashire, Preston, U.K. and West London Mental Health NHS Trust, London, U.K.
*
Correspondence should be addressed to: Professor Ajit Shah, West London Mental Health NHS Trust, Uxbridge Road, Southall, Middlesex, UB1 3EU, U.K. Phone: +44 208 354 8140; Fax: +44 208 354 8307. Email: [email protected].
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Abstract

Background: The elderly are at high risk of developing tuberculosis. The prevalence and incidence of depression and anxiety are higher in those with tuberculosis than in the general population. A positive correlation between national suicide rates and rates of mortality due to tuberculosis has been reported.

Methods: The relationships between elderly suicide rates and (i) the prevalence of tuberculosis, (ii) the proportion of detected cases of tuberculosis, and (iii) the proportion of cured cases of tuberculosis were examined in a cross-national study using data from the World Health Organization and the United Nations.

Results: There were no significant correlations between elderly suicide rates and the prevalence of tuberculosis and the proportion of detected cases of tuberculosis. There were weak but significant negative correlations between the proportion of cured cases of tuberculosis and suicide rates for both sexes in both elderly age-bands.

Conclusion: Caution should be exercised in interpreting the findings and the direction of the causal relationship from this cross-sectional ecological study because of ecological fallacy. However, if the findings are true then potentially the study has important implications for prevention of elderly suicides, particularly in countries with a high prevalence of tuberculosis.

Keywords

tuberculosiselderly suicidessuicides
Type
Research Article
Information
International Psychogeriatrics , Volume 21 , Issue 6 , December 2009 , pp. 1190 - 1195
Copyright
Copyright © International Psychogeriatric Association 2009

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