A new socioeconomic status measure for vaccine research in children using individual housing data: A population-based case-control study

Rachel Hammer, Conrad Capili, Chung Il Wi, Euijung Ryu, Jennifer Rand-Weaver, Young J. Juhn

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Background: We recently developed HOUSES, an individual housing-based socioeconomic status (SES) measurement for health disparities research. We assessed whether HOUSES was associated with risk of pertussis and pertussis vaccine up-to-date status in children. Methods: The study utilized a previous population-based case-control study cohort assembled during the 2004-2005 pertussis outbreak. We collected data on pertussis vaccine status (up-to-date status) at the time of the index date. Using a z-score for housing value, actual square footage, and numbers of bedrooms and bathrooms, HOUSES was formulated in continuous variable and categorized into quartiles. Vaccine up-to-date status was compared among subjects with different SES as measured by HOUSES using a chi-square test and logistic regression models. Results: Of the 391 eligible pediatric subjects (median age of 13.1 years with male sex of 55 %), 363 (93 %) were successfully geocoded to formulate HOUSES index. HOUSES was not associated with the risk of pertussis (p = 0.82). Pertussis vaccine up-to-date statuses were 79, 86, 83, and 94 % for children in the first (the lowest SES), second, third, and fourth quartiles of HOUSES, respectively (p = 0.03). HOUSES as a continuous variable was associated with pertussis vaccine up-to-date status (adjusted OR: 1.15 per increment of one unit of HOUSES, 95 % CI: 1.04-1.27, p = 0.008). Conclusion: While HOUSES is not associated with the risk of pertussis, it predicts vaccine up-to-date status among children with different SES. HOUSES may be a useful tool for vaccine delivery research among children.

Original languageEnglish (US)
Article number1000
JournalBMC Public Health
Volume16
Issue number1
DOIs
StatePublished - Sep 21 2016

Keywords

  • Epidemiology
  • Socioeconomic status
  • Vaccination

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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