Determining chronic disease prevalence in local populations using emergency department surveillance

David C. Lee, Judith A. Long, Stephen P. Wall, Brendan G. Carr, Samantha N. Satchell, R. Scott Braithwaite, Brian D. Elbel

Research output: Contribution to journalArticle

Abstract

Objectives. We sought to improve public health surveillance by using a geographic analysis of emergency department (ED) visits to determine local chronic disease prevalence. Methods. Using an all-payer administrative database, we determined the proportion of unique ED patients with diabetes, hypertension, or asthma. We compared these rates to those determined by the New York City Community Health Survey. For diabetes prevalence, we also analyzed the fidelity of longitudinal estimates using logistic regression and determined disease burden within census tracts using geocoded addresses. Results. We identified 4.4 million unique New York City adults visiting an ED between 2009 and 2012.Whenwe compared our emergency sample to survey data, rates of neighborhood diabetes, hypertension, and asthma prevalence were similar (correlation coefficient = 0.86, 0.88, and 0.77, respectively). In addition, our method demonstrated less year-to-year scatter and identified significant variation of disease burden within neighborhoods among census tracts. Conclusions. Our method for determining chronic disease prevalence correlates with a validated health survey and may have higher reliability over time and greater granularity at a local level. Our findings can improve public health surveillance by identifying local variation of disease prevalence.

Original languageEnglish (US)
Pages (from-to)e67-e74
JournalAmerican Journal of Public Health
Volume105
Issue number9
DOIs
StatePublished - Sep 1 2015

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Hospital Emergency Service
Chronic Disease
Public Health Surveillance
Population
Censuses
Health Surveys
Asthma
Geographic Mapping
Hypertension
Emergencies
Logistic Models
Databases
Surveys and Questionnaires

ASJC Scopus subject areas

  • Medicine(all)
  • Public Health, Environmental and Occupational Health

Cite this

Determining chronic disease prevalence in local populations using emergency department surveillance. / Lee, David C.; Long, Judith A.; Wall, Stephen P.; Carr, Brendan G.; Satchell, Samantha N.; Braithwaite, R. Scott; Elbel, Brian D.

In: American Journal of Public Health, Vol. 105, No. 9, 01.09.2015, p. e67-e74.

Research output: Contribution to journalArticle

Lee, David C. ; Long, Judith A. ; Wall, Stephen P. ; Carr, Brendan G. ; Satchell, Samantha N. ; Braithwaite, R. Scott ; Elbel, Brian D. / Determining chronic disease prevalence in local populations using emergency department surveillance. In: American Journal of Public Health. 2015 ; Vol. 105, No. 9. pp. e67-e74.
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