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The objective of the study was to examine the association between 39 physical diseases and death by suicide in older adults.

Individual-level register data on all older adults aged 65 years and over living in Denmark during 1990–2009 (N = 1,849,110) were analysed. Rate ratios were calculated for 39 physical diseases while adjusting for period, age group, conjugal status, income, physical comorbidity, and psychiatric disorders.

In all, 4792 older adults aged 65+ died by suicide during the follow-up of >16 million person-years. Gastrointestinal cancer was linked to a rate ratio of 2.5 (95 % CI 1.9–3.5) in men while excess suicide risk for women with brain cancer was 3.5 (95 % CI 1.1–10.8) within three years of diagnosis. Men and women diagnosed with liver diseases within three years …