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Research methodology for developing efficient handwashing options: an example from Bangladesh

B A Hoque1, D Mahalanabis, B Pelto

  • 1Environmental Health Programme, International Centre for Diarrhoeal Disease Research, Bangladesh (ICDDR,B), Dhaka, Bangladesh.

The Journal of Tropical Medicine and Hygiene
|December 1, 1995
PubMed
Summary
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Understanding handwashing behavior in rural Bangladesh is key for health interventions. Soap, ash, and soil showed similar effectiveness in reducing fecal coliforms, offering affordable options.

Area of Science:

  • Public Health
  • Behavioral Science
  • Microbiology

Background:

  • Handwashing is crucial for health interventions but requires understanding behavioral factors.
  • Developing effective handwashing messages necessitates a deep dive into practices and their determinants.

Purpose of the Study:

  • To investigate handwashing practices after defecation among rural women in Bangladesh.
  • To develop efficient and accessible handwashing options by understanding behavioral components and bacteriological efficacy.

Main Methods:

  • A multi-method approach combining in-depth interviews, questionnaires, observational studies, and bacteriological tests.
  • Phase 1: Studied handwashing components and socio-economic variables in 90 rural women.
  • Phase 2: Experimentally tested the bacteriological efficacy of different handwashing agents (soap, ash, soil).

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Main Results:

  • High fecal coliform counts indicated poor handwashing effectiveness in existing practices.
  • Seventy-five percent of women could not afford soap, highlighting the need for alternatives.
  • Experimental trials demonstrated that soap, ash, and soil yield similar bacteriological results for handwashing.

Conclusions:

  • Multi-method research is effective in understanding and improving health behaviors.
  • Ash and soil present viable, low-cost alternatives to soap for effective handwashing in resource-limited settings.
  • Findings can inform the development of culturally appropriate and economically feasible handwashing interventions.