Soap on a Rope Trial

Evaluation of Soap on a Rope Hall Pass Behavior Intervention: a School-randomized Controlled Trial

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03186768

Enrollment

Registered

2017-06-14

Start date

2017-06-12

Completion date

2017-12-31

Last updated

2018-05-17

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

Conditions

Hand Disinfection

Brief summary

The soap on a rope behavioral trial is a school-randomized trial to determine if a disruptive cue (the soap on a rope hall pass) can influence hand washing behavior for students in Namwala District, Zambia.

Interventions

BEHAVIORALSoap on a rope hall pass intervention

School health and nutrition coordinators will be trained on how to make and utilize the soap on a rope hall pass to improve hand washing behavior in schools.

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

OTHER

Masking

SINGLE (Outcomes Assessor)

Masking description

School group (intervention or control) will be blinded for data analysis.

Intervention model description

School-randomized controlled trial

Eligibility

Sex/Gender

ALL

Healthy volunteers

Yes

Inclusion criteria

* Students in study schools who use the latrine on the day of observation

Exclusion criteria

Design outcomes

Primary

Measure	Time frame	Description
Change in hand washing behavior	Handwashing behavior will be monitored at three time points: baseline, 3 weeks following the intervention, and 8 weeks following the intervention.	Students exiting the latrine will be monitored to determine if they wash their hands using soap and water.

Countries

Zambia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026