Application of a novel socioeconomic measure using individual housing data in asthma research: An exploratory study

Malinda N. Harris, Matthew C. Lundien, Dawn M. Finnie, Arthur R. Williams, Timothy J. Beebe, Jeffrey A. Sloan, Barbara P. Yawn, Young J. Juhn

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

BACKGROUND: A housing-based socioeconomic index (HOUSES) was previously developed to overcome an absence of socioeconomic status (SES) measures in common databases. HOUSES is associated with child health outcomes in Olmsted County, Minnesota, USA, but generalisability to other geographic areas is unclear. AIM: To assess whether HOUSES is associated with asthma outcomes outside Olmsted County, Minnesota, USA. METHODS: Using a random sample of children with asthma from Sanford Children's Hospital, Sioux Falls, SD, USA, asthma status was determined. The primary outcome was asthma control status using Asthma Control Test and a secondary outcome was risk of persistent asthma. Home address information and property data were merged to formulate HOUSES. Other SES measures were examined: income, parental education (PE), Hollingshead and Nakao-Treas index. RESULTS: Of a random sample of 200 children, 80 (40%) participated in the study. Of those, 13% had poorly controlled asthma. Addresses of 94% were matched with property data. HOUSES had moderate-good correlation with other SES measures except PE. Poor asthma control rates were 31.6%, 4.8% and 5.6% for patients in the lowest, intermediate and highest tertiles of HOUSES, respectively (P = 0.023). HOUSES as a continuous variable was inversely associated with poorly controlled asthma (adjusted odds ratio (OR) = 0.21 per 1 unit increase of HOUSES, 95% confidence interval (CI), 0.05-0.89, P = 0.035). HOUSES as a continuous variable was inversely related to risk of persistent asthma (OR: 0.36 per 1 unit increase of HOUSES, 95% CI, 0.12-1.04, P = 0.06). CONCLUSIONS: HOUSES appears to be generalisable and available as a measure of SES in asthma research in the absence of conventional SES measures.

Original languageEnglish (US)
Article number14018
Journalnpj Primary Care Respiratory Medicine
Volume24
DOIs
StatePublished - Jun 26 2014

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Public Health, Environmental and Occupational Health

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