Did a Severe Flood in the Midwest Cause an Increase in the Incidence of Gastrointestinal Symptoms?

Timothy J. Wade, Sukhminder K. Sandhu, Deborah Levy, Sherline Lee, Mark W. LeChevallier, Louis Katz, John M. Colford

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

Severe flooding occurred in the midwestern United States in 2001. Since November 2000, coincidentally, data on gastrointestinal symptoms had been collected for a drinking water intervention study in a community along the Mississippi River that was affected by the flood. After the flood had subsided, the authors asked these subjects (n = 1,110) about their contact with floodwater. The objectives of this investigation were to determine whether rates of gastrointestinal illness were elevated during the flood and whether contact with floodwater was associated with increased risk of gastrointestinal illness. An increase in the incidence of gastrointestinal symptoms during the flood was observed (incidence rate ratio = 1.29, 95% confidence interval: 1.06, 1.58), and this effect was pronounced among persons with potential sensitivity to infectious gastrointestinal illness. Tap water consumption was not related to gastrointestinal symptoms before, during, or after the flood. An association between gastrointestinal symptoms and contact with floodwater was also observed, and this effect was pronounced in children. This appears to be the first report of an increase in endemic gastrointestinal symptoms in a longitudinal cohort prospectively observed during a flood. These findings suggest that severe climatic events can result in an increase in the endemic incidence of gastrointestinal symptoms in the United States.

Original languageEnglish (US)
Pages (from-to)398-405
Number of pages8
JournalAmerican Journal of Epidemiology
Volume159
Issue number4
DOIs
StatePublished - Feb 15 2004

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Incidence
Midwestern United States
Mississippi
Rivers
Drinking Water
Drinking
Confidence Intervals

Keywords

  • Communicable diseases
  • Diarrhea
  • Gastrointestinal tract
  • Natural disasters
  • Water

ASJC Scopus subject areas

  • Epidemiology

Cite this

Did a Severe Flood in the Midwest Cause an Increase in the Incidence of Gastrointestinal Symptoms? / Wade, Timothy J.; Sandhu, Sukhminder K.; Levy, Deborah; Lee, Sherline; LeChevallier, Mark W.; Katz, Louis; Colford, John M.

In: American Journal of Epidemiology, Vol. 159, No. 4, 15.02.2004, p. 398-405.

Research output: Contribution to journalArticle

Wade, Timothy J. ; Sandhu, Sukhminder K. ; Levy, Deborah ; Lee, Sherline ; LeChevallier, Mark W. ; Katz, Louis ; Colford, John M. / Did a Severe Flood in the Midwest Cause an Increase in the Incidence of Gastrointestinal Symptoms?. In: American Journal of Epidemiology. 2004 ; Vol. 159, No. 4. pp. 398-405.
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