Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain

[EN] Background: The healthy immigrant paradox refers to the unexpected health advantages of immigrant groups settled in host countries. In this population-based study we analyze immigrant advantages in birthweight decomposing differences between infants born to immigrant mothers from specific origi...

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Autores: Stanek Baranowski, Mikolaj Andrzej, Requena, Miguel, Rey Poveda, Alberto del, García Gómez, Jesús
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:España
Institución:Universidad de Salamanca (USAL)
Repositorio:GREDOS. Repositorio Institucional de la Universidad de Salamanca
OAI Identifier:oai:gredos.usal.es:10366/169985
Acceso en línea:http://hdl.handle.net/10366/169985
Access Level:acceso abierto
Palabra clave:Spain
Healthy immigrant paradox
Perinatal health
Compositional heterogeneity
63 Sociología
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spelling Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in SpainStanek Baranowski, Mikolaj AndrzejRequena, MiguelRey Poveda, Alberto delGarcía Gómez, JesúsSpainHealthy immigrant paradoxPerinatal healthCompositional heterogeneity63 Sociología[EN] Background: The healthy immigrant paradox refers to the unexpected health advantages of immigrant groups settled in host countries. In this population-based study we analyze immigrant advantages in birthweight decomposing differences between infants born to immigrant mothers from specific origins. Method: Using publicly available data from Spanish Vital Statistics for the period 2007–2017, differential birthweights among several groups of immigrants were estimated with an ordinary least squares regression. The Oaxaca–Blinder regression-based decomposition method was then applied to identify the extent to which differences in birthweight between groups corresponded to compositional disparities or to other factors. Results: Our analysis of singleton live births to migrant mothers in Spain between 2007 and 2017 (N = 542,137) confirmed the healthy immigrant paradox for certain immigrant populations settled in Spain. Compared with infants born to mothers from high-income countries, the adjusted birthweight was higher for infants born to mothers from non-high- income European countries (33.2 g, 95% CI: 28.3–38.1, P < 0.01), mothers from African countries (52.2 g, 95% CI: 46.9–57.5, P < 0.01), and mothers from Latin American countries (57.4 g, 95% CI: 52.9–61.3, P < 0.01), but lower for infants born to mothers from Asian non-high-income countries (− 31.4 g, 95% CI: − 38.4 to − 24.3, P < 0.01). Decomposition analysis showed that when compared with infants born to mothers from highincome countries, compositional heterogeneity accounts for a substantial proportion of the difference in birthweights. For example, it accounts for 53.5% (95% CI: 24.0–29.7, P < 0.01) of the difference in birthweights for infants born to mothers from non-high-income European countries, 70.9% (95% CI: 60–66.7, P < 0.01) for those born to mothers from African countries, and 38.5% (95% CI: 26.1–29.3, P < 0.01) for those born to mothers from Latin American countries. Conclusions: Our results provide strong population-based evidence for the healthy immigrant paradox in birthweight among certain migrant groups in Spain. However, birth outcomes vary significantly depending on the origins of migrant subpopulations, meaning that not all immigrant groups are unexpectedly healthier. A significant portion of the perinatal health advantage of certain immigrant groups is only a by-product of their group composition (by age, parity, marital status, socioeconomic status, and citizenship of mother, age and migratory status of father and type of delivery) and does not necessarily correspond to other medical, environmental, or behavioral factors.BioMed Central202620262020info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10366/169985reponame:GREDOS. Repositorio Institucional de la Universidad de Salamancainstname:Universidad de Salamanca (USAL)InglésRTI2018–098455-A-C22RTI2018–098455-B-C21H2019/HUM-5802Attribution-NonCommercial-NoDerivatives 4.0 Internacionalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessoai:gredos.usal.es:10366/1699852026-06-07T06:28:51Z
dc.title.none.fl_str_mv Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
title Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
spellingShingle Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
Stanek Baranowski, Mikolaj Andrzej
Spain
Healthy immigrant paradox
Perinatal health
Compositional heterogeneity
63 Sociología
title_short Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
title_full Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
title_fullStr Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
title_full_unstemmed Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
title_sort Beyond the healthy immigrant paradox: decomposing differences in birthweight among immigrants in Spain
dc.creator.none.fl_str_mv Stanek Baranowski, Mikolaj Andrzej
Requena, Miguel
Rey Poveda, Alberto del
García Gómez, Jesús
author Stanek Baranowski, Mikolaj Andrzej
author_facet Stanek Baranowski, Mikolaj Andrzej
Requena, Miguel
Rey Poveda, Alberto del
García Gómez, Jesús
author_role author
author2 Requena, Miguel
Rey Poveda, Alberto del
García Gómez, Jesús
author2_role author
author
author
dc.subject.none.fl_str_mv Spain
Healthy immigrant paradox
Perinatal health
Compositional heterogeneity
63 Sociología
topic Spain
Healthy immigrant paradox
Perinatal health
Compositional heterogeneity
63 Sociología
description [EN] Background: The healthy immigrant paradox refers to the unexpected health advantages of immigrant groups settled in host countries. In this population-based study we analyze immigrant advantages in birthweight decomposing differences between infants born to immigrant mothers from specific origins. Method: Using publicly available data from Spanish Vital Statistics for the period 2007–2017, differential birthweights among several groups of immigrants were estimated with an ordinary least squares regression. The Oaxaca–Blinder regression-based decomposition method was then applied to identify the extent to which differences in birthweight between groups corresponded to compositional disparities or to other factors. Results: Our analysis of singleton live births to migrant mothers in Spain between 2007 and 2017 (N = 542,137) confirmed the healthy immigrant paradox for certain immigrant populations settled in Spain. Compared with infants born to mothers from high-income countries, the adjusted birthweight was higher for infants born to mothers from non-high- income European countries (33.2 g, 95% CI: 28.3–38.1, P < 0.01), mothers from African countries (52.2 g, 95% CI: 46.9–57.5, P < 0.01), and mothers from Latin American countries (57.4 g, 95% CI: 52.9–61.3, P < 0.01), but lower for infants born to mothers from Asian non-high-income countries (− 31.4 g, 95% CI: − 38.4 to − 24.3, P < 0.01). Decomposition analysis showed that when compared with infants born to mothers from highincome countries, compositional heterogeneity accounts for a substantial proportion of the difference in birthweights. For example, it accounts for 53.5% (95% CI: 24.0–29.7, P < 0.01) of the difference in birthweights for infants born to mothers from non-high-income European countries, 70.9% (95% CI: 60–66.7, P < 0.01) for those born to mothers from African countries, and 38.5% (95% CI: 26.1–29.3, P < 0.01) for those born to mothers from Latin American countries. Conclusions: Our results provide strong population-based evidence for the healthy immigrant paradox in birthweight among certain migrant groups in Spain. However, birth outcomes vary significantly depending on the origins of migrant subpopulations, meaning that not all immigrant groups are unexpectedly healthier. A significant portion of the perinatal health advantage of certain immigrant groups is only a by-product of their group composition (by age, parity, marital status, socioeconomic status, and citizenship of mother, age and migratory status of father and type of delivery) and does not necessarily correspond to other medical, environmental, or behavioral factors.
publishDate 2020
dc.date.none.fl_str_mv 2020
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10366/169985
url http://hdl.handle.net/10366/169985
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv RTI2018–098455-A-C22
RTI2018–098455-B-C21
H2019/HUM-5802
dc.rights.none.fl_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution-NonCommercial-NoDerivatives 4.0 Internacional
http://creativecommons.org/licenses/by-nc-nd/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv BioMed Central
publisher.none.fl_str_mv BioMed Central
dc.source.none.fl_str_mv reponame:GREDOS. Repositorio Institucional de la Universidad de Salamanca
instname:Universidad de Salamanca (USAL)
instname_str Universidad de Salamanca (USAL)
reponame_str GREDOS. Repositorio Institucional de la Universidad de Salamanca
collection GREDOS. Repositorio Institucional de la Universidad de Salamanca
repository.name.fl_str_mv
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