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The Impact of Forced Migration on Mortality A Cohort Study of 242,075 Finns from 1939-2010
Stockholm University, Faculty of Social Sciences, Centre for Health Equity Studies (CHESS). University of Helsinki, Finland; Max Planck Institute for Demographic Research, Germany.
Number of Authors: 4
2017 (English)In: Epidemiology, ISSN 1044-3983, E-ISSN 1531-5487, Vol. 28, no 4, 587-593 p.Article in journal (Refereed) Published
Abstract [en]

Background: The stresses and life changes associated with migration may have harmful long-term health effects, especially for mental health. These effects are exceedingly difficult to establish, because migrants are typically a highly selected group.

Methods: We examined the impact of migration on health using naturally occurring historical events. In this article, we use the forced migration of 11% of the Finnish population after WWII as such a natural experiment. We observed the date and cause of death starting from 1 January 1971 and ending in 31 December 2010 for the cohort of 242,075 people. Data were obtained by linking individual-level data from the 1950 and 1970 population censuses and the register of death certificates from 1971 to 2010 (10% random sample). All-cause and cause-specific mortalities were modeled using Poisson regression.

Results: Models with full adjustment for background variables showed that both all-cause mortality (RR 1.03, 95% CI 1.01, 1.05), and ischemic heart disease mortality (RR 1.11, 95% CI 1.08, 1.15) were higher in the displaced population than in the nondisplaced population. Suicide mortality was lower (RR 0.77, 95% CI 0.64, 0.92) in displaced than in the general population.

Conclusions: In our long-term follow-up study, forced migration was associated with increased risk of death due to ischemic heart diseases. In contrast, lower suicide mortality was observed in association with forced migration 25 years or more.

Place, publisher, year, edition, pages
2017. Vol. 28, no 4, 587-593 p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:su:diva-144769DOI: 10.1097/EDE.0000000000000669ISI: 000402541400024PubMedID: 28368943OAI: oai:DiVA.org:su-144769DiVA: diva2:1127641
Available from: 2017-07-18 Created: 2017-07-18 Last updated: 2017-07-18Bibliographically approved

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