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Association of birthplace and self-reported hypertension by racial/ethnic groups among US adults – National Health Interview Survey, 2006–2010
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Details:
  • Pubmed ID:
    23032143
  • Pubmed Central ID:
    PMC4579530
  • Funding:
    CVY8/Intramural CDC HHS/United States
  • Document Type:
  • Collection(s):
  • Description:
    Background

    Over the past few decades, the proportion of US adults who were foreign-born has been increasing, as has the overall prevalence of hypertension. Here we compared the prevalence of self-reported hypertension among native-born adults with that among foreign-born adults, classified by racial/ethnic group.

    Methods

    Using 2006–2010 data from the National Health Interview Surveys (NHIS), we compared the age-adjusted prevalence of hypertension among native-born adults to foreign-born adults, specified by continent of birthplace and race/ethnicity. Results are expressed as unadjusted odds ratios (ORs) and three sets of adjusted odds ratios (AORs) adjusted for selected sociodemographic, behavioral and health-related characteristics. All results accounted for NHIS sampling design variables.

    Results

    The analytic sample was 124,260 with 16.3% foreign-born adults. Among the foreign born adults, 56% were from Central or South America, 22% from Asia, 13% from Europe, and 4% from Africa. Overall and after adjustment, hypertension prevalence was significantly higher among US-born adults than among foreign-born adults (AOR: 1.28, 95% CI: 1.21–1.36). By race/ethnicity, hypertension prevalence was higher among US-born non-Hispanic blacks than either foreign-born non-Hispanic blacks (AOR: 1.24, 95% CI: 1.02–1.50) or all Africa-born immigrants of any race/ethnicity (AOR: 1.45, 95% CI: 1.07–1.97). Among foreign-born adults, duration of US residence was positively associated with the likelihood of hypertension.

    Conclusion

    Hypertension prevalence was higher among US-born adults than among foreign-born adults and higher among US-born non-Hispanic blacks than in any other group. Among foreign-born adults, hypertension risk increased with the number of years they had lived in the US.