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Am J Public Health. 2014 Jan;104(1):e31-8. doi: 10.2105/AJPH.2013.301626. Epub 2013 Nov 14.

Effect of race/ethnicity and socioeconomic status on pandemic H1N1-related outcomes in Massachusetts.

Author information

1
Hilary Placzek is with the Department of Clinical and Population Health Research, University of Massachusetts Medical School, Worcester, and HealthCore, Inc, Andover. Lawrence Madoff is with the Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, and the Division of Epidemiology and Immunization, Massachusetts Department of Public Health, Jamaica Plain.

Abstract

OBJECTIVES:

We linked hospital discharge and American Community Survey and US Census data to investigate 2009 H1N1 influenza (H1N1)-related outcomes by racial/ethnic groups and socioeconomic status (SES).

METHODS:

We examined the population discharged from any acute care hospital in Massachusetts and calculated rates of intensive care unit (ICU) stay by racial/ethnic and SES groups between April 26 and September 30, 2009. We used logistic regression models to identify predictors of ICU stay.

RESULTS:

Of 4874 H1N1-related hospitalizations, 526 (11%) were admitted to the ICU. Those in less affluent SES groups had lower risk of ICU stay than the most affluent SES group. Compared with Whites, Hispanics had significantly lower risk of 2009 H1N1-related ICU stay (odds ratio = 0.52; 95% confidence interval = 0.32, 0.86). Only 13% of Whites admitted to the ICU were in the lowest SES group, compared with 63% of Hispanics and 43% of Blacks.

CONCLUSIONS:

To our knowledge, this is the first statewide description of 2009 H1N1 influenza-related ICU stays according to racial/ethnic group and SES in the United States. Future work should investigate evidence related to social determinants of health among racial/ethnic groups to reduce disparities in relation to pandemic influenza.

PMID:
24228651
PMCID:
PMC3910053
DOI:
10.2105/AJPH.2013.301626
[Indexed for MEDLINE]
Free PMC Article
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