The impact of migration on body weight: a review

Beatriz Goulao, Osvaldo Santos, Isabel do Carmo

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Immigrants may be more vulnerable to obesity as a result of the immigration process. The aim of this article is to summarize current knowledge about the impact of immigration on body mass index (BMI). A systematic review was performed in accordance with PRISMA guidelines through a database search of scientific articles (last updated in August 2014). Thirty-nine articles were included and assessed. Results varied according to ethnic background, country of origin and host country. A consistent positive association between BMI and time since immigration was found among Hispanic, European and African immigrants. Less than half of the studies observed a positive association among Asian immigrants. The quality of the majority of the studies assessed was poor, reflecting a need to improve methodology and concept definition. Immigration appears to have a deteriorative effect on BMI. Underlying causes may include changes in nutrition and physical activity, psychological and social factors, and genetic susceptibility and these aspects should be included as moderator variables in future studies.
Original languageEnglish
Pages (from-to)229-245
Number of pages17
JournalCadernos de Saude Publica
Volume31
Issue number2
DOIs
Publication statusPublished - 1 Feb 2015

Keywords

  • Emigration and Immigration
  • Acculturation
  • Obesity

ASJC Scopus subject areas

  • Medicine(all)

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