The relationship between obesity and elderly suicide rates: a cross-national study
1University of Central Lancashire, Preston, United Kingdom and Consultant Psychiatrist, West London Mental Health NHS Trust, London, United Kingdom. ajit.shah@wlmht.nhs.uk
Background:
An inverse relationship between obesity and suicide has been observed in younger adults, but this has not been examined in the elderly.
Methods:
A cross-national ecological study examined the independent relationship between the prevalence of obesity and elderly suicide rates, by controlling for potentially confounding variables, using data from the World Health Organization and the United Nations.
Results:
Elderly suicide rates in females were independently associated with the prevalence of obesity.
Conclusions:
Caution should be exercised in attributing a causal relationship from this cross-sectional ecological study due to ecological fallacy and requires confirmation in individual-level case-control or cohort studies.
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