A randomized controlled trial of household-based flocculant-disinfectant drinking water treatment for diarrhea prevention in rural Guatemala.

Published

Journal Article

We conducted a study to determine if use of a new flocculant-disinfectant home water treatment reduced diarrhea. We randomly assigned 492 rural Guatemalan households to five different water treatment groups: flocculant-disinfectant, flocculant-disinfectant plus a customized vessel, bleach, bleach plus a vessel, and control. During one year of observation, residents of control households had 4.31 episodes of diarrhea per 100 person-weeks, whereas the incidence of diarrhea was 24% lower among residents of households receiving flocculant-disinfectant, 29% lower among those receiving flocculant-disinfectant plus vessel, 25% lower among those receiving bleach, and 12% lower among households receiving bleach plus vessel. In unannounced evaluations of home drinking water, free chlorine was detected in samples from 27% of flocculant-disinfectant households, 35% of flocculant-disinfectant plus vessel households, 35% of bleach households, and 43% of bleach plus vessel households. In a setting where diarrhea was a leading cause of death, intermittent use of home water treatment with flocculant-disinfectant decreased the incidence of diarrhea.

Full Text

Duke Authors

Cited Authors

  • Reller, ME; Mendoza, CE; Lopez, MB; Alvarez, M; Hoekstra, RM; Olson, CA; Baier, KG; Keswick, BH; Luby, SP

Published Date

  • October 1, 2003

Published In

Volume / Issue

  • 69 / 4

Start / End Page

  • 411 - 419

PubMed ID

  • 14640502

Pubmed Central ID

  • 14640502

Electronic International Standard Serial Number (EISSN)

  • 1476-1645

International Standard Serial Number (ISSN)

  • 0002-9637

Language

  • eng