Investigating the salmon bias effect among international immigrants in Sweden: a register-based open cohort study.

ABSTRACT:

Background

Studies of migration and health have hypothesized that immigrants may emigrate when they develop poor health (salmon bias effect), which may partially explain the mortality advantage observed among immigrants in high-income countries. We evaluated the salmon bias effect by comparing the health of immigrants in Sweden who emigrated with those who remained, while also exploring potential variation by macro-economic conditions, duration of residence and region of origin.

Methods

A longitudinal, open cohort study design was used to assess risk of emigration between 1992 and 2016 among all adult (18+ years) foreign-born persons who immigrated to Sweden between 1965 and 2012 (n = 1 765 459). The Charlson Comorbidity Index was used to measure health status, using informa

SUBMITTER: Dunlavy A 

PROVIDER: S-EPMC8975526 | biostudies-literature | 2022 Apr

REPOSITORIES: biostudies-literature