Mortality of subjects with mood disorders in the Lundby community cohort: A follow-up over 50 years

Abstract

Mortality of subjects with mood disorders in the LundbyLink to publication Citation for published version (APA): Mattisson, C., Bogren, M., Brådvik, L., & Horstmann, V. (2015). Mortality of subjects with mood disorders in the Lundby community cohort: A follow-up over 50 years. Journal of Affective Disorders, 178, 98-106. DOI: 10.1016/j.jad.2015 General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.• Users may download and print one copy of any publication from the public portal for the purpose of private study or research.• You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal Background: The Lundby study is a longitudinal study that investigated mental health in an unselected population. The study commenced in 1947; the population was further investigated in 1957, 1972, and 1997.Methods: Experienced psychiatrists performed semi-structured diagnostic interviews, and best estimate consensus diagnoses of mental disorders were assessed at each field investigation.Subjects with mood disorder (n= 508, 195 males, 313 females) were identified until 1997.Causes and dates of death between 1947 and 2011 were obtained from the Swedish cause of death register and were compared between subjects diagnosed with mood disorder and other participants.Mortality was compared between those with mood disorders and the remaining cohort with Cox regression analyses. Other mental disorders were considered as risk factors for death for subjects with mood disorders. Results:The hazard ratio for mortality in mood disorders was HR=1.18. However, the mortality was elevated only for males, HR=1.5. A total of 6.3% of the participants with mood disorder and 1.2% of the remaining participants committed suicide. Comorbid anxiety disorders, organic disorders, dementia and psychotic disorders were significant risk factors for death.Conclusions: As expected, the suicide rate was higher among participants with mood disorders. Only males with mood disorders had elevated mortality. The impact on mortality from other mental disorders seems to vary between the genders.3

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