Evidence for recent diarrhoeal morbidity as a risk factor for persistent diarrhoea: A case-control study

Sunil Sazawal, Maharaj K. Bhan, Nita Bhandari, John Clemens, Shinjini Bhatnagar

Research output: Contribution to journalArticle


The association between persistent diarrhoea and 'recent morbidity' defined as that occurring within the two-month period immediately preceding the onset of persistent diarrhoea was investigated in a population-based case-control study in rural North India. In two separate matched case-control analyses children with persistent diarrhoea (cases) were compared to population controls (five controls matched to each case) and acute diarrhoeal controls (three controls matched to each case). After correcting for possible confounding variables, comparing children with persistent diarrhoea and matched population controls, presence of a recent diarrhoeal illness was significantly associated with persistent diarrhoea with an odds ratio (OR) 2.6 (95% confidence interval (CI): 1.1-7.1; p

Original languageEnglish (US)
Pages (from-to)540-545
Number of pages6
JournalInternational Journal of Epidemiology
Issue number2
StatePublished - Jun 1991
Externally publishedYes


ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Physiology (medical)
  • Reproductive Medicine
  • Obstetrics and Gynecology
  • Epidemiology

Cite this