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Long-Distance Migration and Mortality in Sweden: Testing the Salmon Bias and Healthy Migrant Hypotheses
Stockholm University, Faculty of Social Sciences, Department of Sociology.
Stockholm University, Faculty of Social Sciences, Department of Sociology.
Number of Authors: 2
2017 (English)In: Population, Space and Place, ISSN 1544-8444, E-ISSN 1544-8452, Vol. 23, no 4, UNSP e2032Article in journal (Refereed) Published
Abstract [en]

International migrants often have lower mortality rates than the native populations in their new host countries. Several explanations have been proposed, but in the absence of data covering the entire life courses of migrants both before and after each migration event, it is difficult to assess the validity of different explanations. In the present study, we apply hazard regressions to Swedish register data to study the mortality of long-distance migrants from Northern to Southern Sweden as well as the mortality of return migrants to the North. In this way, we can study a situation that at least partly resembles that of international migration while still having access to data covering the full demographic biographies of all migrants. This allows us to test the relative roles of salmon bias and healthy migrant status in observed mortality rates of long-distance migrants. We find no mortality differentials between residents in northern and southern Sweden, and no evidence of a selection of healthy migrants from the North to the South. In contrast, we provide clear evidence of salmon effects' in terms of elevated mortality of the return migrants to northern Sweden, which are produced when migrants return to their place of origin in relation to subsequent death.

Place, publisher, year, edition, pages
2017. Vol. 23, no 4, UNSP e2032
Keyword [en]
mortality, migration, migrants, selection, salmon bias, Sweden
National Category
Sociology Social and Economic Geography
Identifiers
URN: urn:nbn:se:su:diva-144716DOI: 10.1002/psp.2032ISI: 000400989200006OAI: oai:DiVA.org:su-144716DiVA: diva2:1127965
Available from: 2017-07-20 Created: 2017-07-20 Last updated: 2017-07-20Bibliographically approved

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Andersson, GunnarDrefahl, Sven
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Citation style
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  • nn-NB
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