Influences of population-level factors on suicides in older adults: a national ecological study from Australia

International Journal of Geriatric Psychiatry
Chi-Kin LawDiego De Leo

Abstract

The relationship between older adult suicide rates and population-level variables has been examined in a few studies. Therefore, the objective of the present study is to analyse the extent to which population-level factors are associated with suicide by older persons in Australia, from an ecological perspective. Suicide rates for older adults aged 65 years and over were calculated for 68 observation units at Statistical Areas Level 4 in Australia for 2002-2011. The 2011 Census of Population and Housing was used for population-level variables. Analysis on standardised suicide mortality ratios and Poisson regression were performed to examine geographical and gender differences. Between 2002 and 2011, a total of 3133 suicides of persons aged 65 years and above (men: n = 2418, 77.1%) was identified with an average annual rate of 10.1 per 100,000 persons. Suicide rates in older adults vary widely between different geographical regions in Australia. The multivariate estimates of contextual factors showed that the risk of suicide was positively associated with the sex ratio (incidence risk ratio (IRR) = 1.053, 95%CI = 1.016-1.092), the proportion of those in tenant household (IRR = 1.120, 95%CI = 1.081-1.160) and Australian residents ...Continue Reading

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Jun 13, 2014·Social Psychiatry and Psychiatric Epidemiology·Chi-kin LawDiego De Leo

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Citations

Jul 10, 2020·International Psychogeriatrics·Mira LutzmanSarah Ben-David
Dec 14, 2018·The Australian and New Zealand Journal of Psychiatry·Jo-An AtkinsonIan B Hickie
Jun 12, 2021·Asia-Pacific Psychiatry : Official Journal of the Pacific Rim College of Psychiatrists·Carlos Augusto de Mendonça LimaIgor Svab

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