Soap and education: a simple recipe for cleaner hands?
NCT ID NCT06865495
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study in Lusaka, Zambia, tested whether giving households a handwashing bucket and supplies, along with hygiene education, increases handwashing with soap. 1,800 households with a child under 5 were split into four groups: hardware plus promotion, hardware only, promotion only, or no intervention. Researchers observed handwashing behavior to find the most effective approach.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Handwashing hardware (Kalingalinga bucket) and supplies for making liquid soap, plus behavioral promotion
- What this could lead to
- If successful, this could show the best way to improve handwashing habits in low-resource communities, reducing disease spread.
- What could go wrong
- This is a completed study, so results are already known. The intervention may not work as well in other settings or with different populations.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Centre for Infectious Disease Research in Zambia (CIDRZ)
Lusaka, Zambia