Table 4

Suicide risk within 1 year after dementia diagnosis by subtypes of other mental disorders

VariablesStudy participants, nPerson-years, nSuicides, nSuicide deaths per 100000 person-years, nHR (95% CI)*p value
Patients without dementia36 541139 4601812.91.00
Patients with dementia
 No additional mental disorders19 06555 5501832.41.96 (1.02–3.77)0.044
 Substance use disorders4421343174.54.73 (0.63–35.43)0.13
 Schizophrenia67923073130.08.73 (2.57–29.71)< 0.001
 Mood disorders564319432841.22.84 (1.23–6.53)0.014
 Anxiety and somatoform disorders7403234631355.43.53 (1.73–7.21)< 0.001
 Other mental disorders327810448328.71.83 (0.54–6.23)0.33
  • CI = confidence interval; HR = hazard ratio.

  • * Estimated after adjusting for household income, insurance type, residential area, disability and other mental disorders.