Skip to content

The Hope Soap Study: a Hand-washing Intervention Among Children in South Africa

The Hope Soap Study: a Randomized Controlled Trial of a Hand-washing Intervention Among Children in South Africa

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03280771
Enrollment
288
Registered
2017-09-12
Start date
2014-09-01
Completion date
2015-12-15
Last updated
2017-09-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diarrhea, Hand-washing Behavior

Brief summary

The Hope Soap Study is a randomised-control pilot study of a hand-washing intervention in which children in treatment households received a bi-monthly delivery of HOPE SOAP©, a colourful, translucent bar of soap with a toy embedded in its centre.

Interventions

COMBINATION_PRODUCTHope Soap

HOPE SOAP© is a colourful, translucent bar of soap with a toy embedded in its centre.

COMBINATION_PRODUCTControl group soap

A colourful, translucent bar or soap with the toy alongside it

Sponsors

Abdul Latif Jameel Poverty Action Lab
CollaboratorOTHER
University of Cape Town
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
3 Years to 9 Years
Healthy volunteers
No

Inclusion criteria

* Enrolled in the Family-in-Focus program * Caregiver provided informed consent * the age-eligible children were not involved in any other sort of ECD program (e.g. crèche or other day-care)

Exclusion criteria

* Enrollment in an ECD program

Design outcomes

Primary

MeasureTime frameDescription
Direct observation of hand washing prior to eating a snack8 weeksHands washed unprompted prior to eating a snack

Secondary

MeasureTime frameDescription
Questionnaire data on hand washing after using the toilet (scale of 1-10)8 weeksA score of 1-10 of hand washing after using the toilet
Questionnaire data on hand washing prior to meals (scale of 1-10)8 weeksA score of 1-10 of hand washing prior to eating meals
Questionnaire data on general soap usage when washing hands (scale of 1-10)8 weeksA score of 1-10 of soap usage when hands are washed
Questionnaire data on experience of illness (13 items)2 weeksA score of 1-13 based on self-reported symptoms of illness

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 6, 2026