关键词:
nervous system disorders
denmark
suicide
摘要:
This population epidemiology study uses Danish registry data to examine associations between neurological disorders and higher suicide rates from 1980 through 2016. Question Is there an association between neurological disorders and a higher risk of death by suicide? Findings In this retrospective cohort study that included 7300395 persons in Denmark from 1980 through 2016, there was a significantly higher rate of suicide among those with a diagnosed neurological disorder than all other persons (44.0 per 100000 person-years vs 20.1 per 100000 person-years, adjusted incidence rate ratio, 1.8). Meaning In Denmark, having a diagnosis of a neurological disorder was associated with a small but statistically significant increased risk of death by suicide. Importance Neurological disorders have been linked to suicide, but the risk across a broad spectrum of neurological disorders remains to be assessed. Objectives To examine whether people with neurological disorders die by suicide more often than other people and to assess for temporal associations. Design, Setting, and Participants Nationwide, retrospective cohort study on all persons 15 years or older living in Denmark, from 1980 through 2016 (N = 7300395). Exposures Medical contact for head injury, stroke, epilepsy, polyneuropathy, diseases of myoneural junction, Parkinson disease, multiple sclerosis, central nervous system infections, meningitis, encephalitis, amyotrophic lateral sclerosis, Huntington disease, dementia, intellectual disability, and other brain diseases from 1977 through 2016 (n = 1248252). Main Outcomes and Measures Death by suicide during 1980-2016. Adjusted incidence rate ratio (IRRs) were estimated using Poisson regressions, adjusted for sociodemographics, comorbidity, psychiatric diagnoses, and self-harm. Results Of the more than 7.3 million individuals observed over 161935233 person-years (49.1% males), 35483 died by suicide (median duration of follow-up, 23.6 years;interquartile range, 10.0-37.0