Effect of Relocation to the U.S. on Asthma Risk Among Hispanics

Elina Jerschow, Garrett Strizich, Xiaonan (Nan) Xue, Golda Hudes, Simon D. Spivack, Victoria Persky, Guadalupe X. Ayala, Alan Delamater, Youngmee Kim, Erin Etzel, Jianwen Cai, Robert C. Kaplan

Research output: Contribution to journalArticle

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Abstract

Introduction: Asthma prevalence is reportedly higher among U.S.-born relative to foreign-born Hispanics/Latinos. Little is known about rates of asthma onset before and after relocation to the U.S. in Latinos. Asthma rates were examined by U.S. residence and country/territory of origin. Methods: In 2015-2016, age at first onset of asthma symptoms was analyzed, defined retrospectively from a cross-sectional survey in 2008-2011, in relation to birthplace and U.S. residence among 15,573 U.S.-dwelling participants (aged 18-76 years) in the Hispanic Community Health Study/Study of Latinos. Results: Cumulative incidence of asthma through age 30 years ranged from 7.9% among Mexican background individuals to 29.4% among those of Puerto Rican background. Among those born outside the U.S. mainland, the adjusted hazard for asthma was 1.52-fold higher (95% CI=1.25, 1.85) after relocation versus before relocation to the U.S. mainland, with heterogeneity in this association by Hispanic/Latino background (p-interaction<0.0001). Among foreign-born Dominicans and Mexicans, rates of asthma were greater after relocation versus before relocation (adjusted hazard ratio [AHR] for after versus before relocation, 2.42, 95% CI=1.44, 4.05 among Dominicans; AHR=2.90, 95% CI=2.02, 4.16 among Mexicans). Puerto Ricans had modestly increased asthma onset associated with U.S. mainland residence (AHR=1.52, 95% CI=1.06, 2.17). No similar increase associated with U.S. residence was observed among Central/South American immigrants (AHR=0.94, 95% CI=0.53, 1.67). Asthma rates among Cuban immigrants were lower after relocation (AHR=0.45, 95% CI=0.24, 0.82). Conclusions: The effect of relocation to the U.S. on asthma risk among Hispanics is not uniform across Hispanic/Latino groups.

Original languageEnglish (US)
JournalAmerican Journal of Preventive Medicine
DOIs
StateAccepted/In press - 2016

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Hispanic Americans
Asthma
Age of Onset
Cross-Sectional Studies
Incidence
Health

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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Effect of Relocation to the U.S. on Asthma Risk Among Hispanics. / Jerschow, Elina; Strizich, Garrett; Xue, Xiaonan (Nan); Hudes, Golda; Spivack, Simon D.; Persky, Victoria; Ayala, Guadalupe X.; Delamater, Alan; Kim, Youngmee; Etzel, Erin; Cai, Jianwen; Kaplan, Robert C.

In: American Journal of Preventive Medicine, 2016.

Research output: Contribution to journalArticle

Jerschow, Elina ; Strizich, Garrett ; Xue, Xiaonan (Nan) ; Hudes, Golda ; Spivack, Simon D. ; Persky, Victoria ; Ayala, Guadalupe X. ; Delamater, Alan ; Kim, Youngmee ; Etzel, Erin ; Cai, Jianwen ; Kaplan, Robert C. / Effect of Relocation to the U.S. on Asthma Risk Among Hispanics. In: American Journal of Preventive Medicine. 2016.
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title = "Effect of Relocation to the U.S. on Asthma Risk Among Hispanics",
abstract = "Introduction: Asthma prevalence is reportedly higher among U.S.-born relative to foreign-born Hispanics/Latinos. Little is known about rates of asthma onset before and after relocation to the U.S. in Latinos. Asthma rates were examined by U.S. residence and country/territory of origin. Methods: In 2015-2016, age at first onset of asthma symptoms was analyzed, defined retrospectively from a cross-sectional survey in 2008-2011, in relation to birthplace and U.S. residence among 15,573 U.S.-dwelling participants (aged 18-76 years) in the Hispanic Community Health Study/Study of Latinos. Results: Cumulative incidence of asthma through age 30 years ranged from 7.9{\%} among Mexican background individuals to 29.4{\%} among those of Puerto Rican background. Among those born outside the U.S. mainland, the adjusted hazard for asthma was 1.52-fold higher (95{\%} CI=1.25, 1.85) after relocation versus before relocation to the U.S. mainland, with heterogeneity in this association by Hispanic/Latino background (p-interaction<0.0001). Among foreign-born Dominicans and Mexicans, rates of asthma were greater after relocation versus before relocation (adjusted hazard ratio [AHR] for after versus before relocation, 2.42, 95{\%} CI=1.44, 4.05 among Dominicans; AHR=2.90, 95{\%} CI=2.02, 4.16 among Mexicans). Puerto Ricans had modestly increased asthma onset associated with U.S. mainland residence (AHR=1.52, 95{\%} CI=1.06, 2.17). No similar increase associated with U.S. residence was observed among Central/South American immigrants (AHR=0.94, 95{\%} CI=0.53, 1.67). Asthma rates among Cuban immigrants were lower after relocation (AHR=0.45, 95{\%} CI=0.24, 0.82). Conclusions: The effect of relocation to the U.S. on asthma risk among Hispanics is not uniform across Hispanic/Latino groups.",
author = "Elina Jerschow and Garrett Strizich and Xue, {Xiaonan (Nan)} and Golda Hudes and Spivack, {Simon D.} and Victoria Persky and Ayala, {Guadalupe X.} and Alan Delamater and Youngmee Kim and Erin Etzel and Jianwen Cai and Kaplan, {Robert C.}",
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journal = "American Journal of Preventive Medicine",
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T1 - Effect of Relocation to the U.S. on Asthma Risk Among Hispanics

AU - Jerschow, Elina

AU - Strizich, Garrett

AU - Xue, Xiaonan (Nan)

AU - Hudes, Golda

AU - Spivack, Simon D.

AU - Persky, Victoria

AU - Ayala, Guadalupe X.

AU - Delamater, Alan

AU - Kim, Youngmee

AU - Etzel, Erin

AU - Cai, Jianwen

AU - Kaplan, Robert C.

PY - 2016

Y1 - 2016

N2 - Introduction: Asthma prevalence is reportedly higher among U.S.-born relative to foreign-born Hispanics/Latinos. Little is known about rates of asthma onset before and after relocation to the U.S. in Latinos. Asthma rates were examined by U.S. residence and country/territory of origin. Methods: In 2015-2016, age at first onset of asthma symptoms was analyzed, defined retrospectively from a cross-sectional survey in 2008-2011, in relation to birthplace and U.S. residence among 15,573 U.S.-dwelling participants (aged 18-76 years) in the Hispanic Community Health Study/Study of Latinos. Results: Cumulative incidence of asthma through age 30 years ranged from 7.9% among Mexican background individuals to 29.4% among those of Puerto Rican background. Among those born outside the U.S. mainland, the adjusted hazard for asthma was 1.52-fold higher (95% CI=1.25, 1.85) after relocation versus before relocation to the U.S. mainland, with heterogeneity in this association by Hispanic/Latino background (p-interaction<0.0001). Among foreign-born Dominicans and Mexicans, rates of asthma were greater after relocation versus before relocation (adjusted hazard ratio [AHR] for after versus before relocation, 2.42, 95% CI=1.44, 4.05 among Dominicans; AHR=2.90, 95% CI=2.02, 4.16 among Mexicans). Puerto Ricans had modestly increased asthma onset associated with U.S. mainland residence (AHR=1.52, 95% CI=1.06, 2.17). No similar increase associated with U.S. residence was observed among Central/South American immigrants (AHR=0.94, 95% CI=0.53, 1.67). Asthma rates among Cuban immigrants were lower after relocation (AHR=0.45, 95% CI=0.24, 0.82). Conclusions: The effect of relocation to the U.S. on asthma risk among Hispanics is not uniform across Hispanic/Latino groups.

AB - Introduction: Asthma prevalence is reportedly higher among U.S.-born relative to foreign-born Hispanics/Latinos. Little is known about rates of asthma onset before and after relocation to the U.S. in Latinos. Asthma rates were examined by U.S. residence and country/territory of origin. Methods: In 2015-2016, age at first onset of asthma symptoms was analyzed, defined retrospectively from a cross-sectional survey in 2008-2011, in relation to birthplace and U.S. residence among 15,573 U.S.-dwelling participants (aged 18-76 years) in the Hispanic Community Health Study/Study of Latinos. Results: Cumulative incidence of asthma through age 30 years ranged from 7.9% among Mexican background individuals to 29.4% among those of Puerto Rican background. Among those born outside the U.S. mainland, the adjusted hazard for asthma was 1.52-fold higher (95% CI=1.25, 1.85) after relocation versus before relocation to the U.S. mainland, with heterogeneity in this association by Hispanic/Latino background (p-interaction<0.0001). Among foreign-born Dominicans and Mexicans, rates of asthma were greater after relocation versus before relocation (adjusted hazard ratio [AHR] for after versus before relocation, 2.42, 95% CI=1.44, 4.05 among Dominicans; AHR=2.90, 95% CI=2.02, 4.16 among Mexicans). Puerto Ricans had modestly increased asthma onset associated with U.S. mainland residence (AHR=1.52, 95% CI=1.06, 2.17). No similar increase associated with U.S. residence was observed among Central/South American immigrants (AHR=0.94, 95% CI=0.53, 1.67). Asthma rates among Cuban immigrants were lower after relocation (AHR=0.45, 95% CI=0.24, 0.82). Conclusions: The effect of relocation to the U.S. on asthma risk among Hispanics is not uniform across Hispanic/Latino groups.

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