Health Education Model Led by Community Health Volunteers.

September 17, 2025 updated by: Pemba Ministry of Health Zanzibar

A Survey on the Knowledge, Attitudes, and Practices of Students Regarding Schistosomiasis Through a Health Education Model Led by Community Health Volunteers.

The goal of this intervention study is to investigate the level of knowledge, attitudes, and behaviors of students on schistosomiasis in Pemba Island. It aims to test the effectiveness of establishing a widely applicable Community Health Volunteers model in the Zanzibar region and explore the feasibility of promoting this model in other areas of Africa. This study also aims to provide valuable insights and references for global schistosomiasis prevention and control efforts.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The main questions it aims to answer are:

Conducting a survey to understand the current knowledge levels, attitudes, and relevant health behaviors of Pemba Island students towards schistosomiasis.

Performing qualitative research to analyze the factors influencing students' knowledge, attitudes, and behaviors related to schistosomiasis, as well as observing the facilitators and barriers to conducting health education among student groups, in order to provide a scientific basis for targeted intervention measures.

Testing the effectiveness of establishing a widely applicable community health volunteer model in the Zanzibar region and exploring the feasibility of promoting this model in other regions of Africa, thereby providing insights and references for global schistosomiasis prevention and control efforts.

Participants will select fourth and fifth grade students from two schools located in high-risk schistosomiasis prevalence areas on Pemba Island, with Kilindi Primary School as the intervention group and Shumba Viamboni or Chambani primary school as the control group from Feb 2024 to Feb 2025. Apart from the KAP survey, urine samples will be collected from students three times at least and the prevalence confirmed to compare the effectiveness of the two groups.

Study Type

Interventional

Enrollment (Actual)

978

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Tanzania
    • CharkChark
      • Pemba, CharkChark, Tanzania, P.O.BOX 98
        • Neglected tropical diseases in Pemba

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Individuals whose grades fall within the scope of the survey Students who have not received health education intervention on schistosomiasis conducted by community health volunteers Students or parents who agree to sign informed consent and participate in the study Students residing in schistosomiasis-endemic areas

Exclusion Criteria:

  • Students whose grades are not within the scope of the survey Students who have already received health education intervention on schistosomiasis Students or parents who refuse to sign informed consent or participate in the study Students who have been diagnosed with other serious illnesses.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Health Services Research
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: CHVs Intervention group
A group of students who receive schistosomiasis health education intervention led by community health volunteers.
Behavioral: health education
In the intervention group, we provide schistosomiasis health education to students once a month through community health volunteers for a duration of six months. After that, the community health volunteers no longer visit the school for health education until the completion of a one-year follow-up period.
Other Names:
  • led by community health volunteers
No Intervention: Control A
A group of students who do not receive schistosomiasis health education intervention led by community health volunteers. The control arm received conventional education.
No Intervention: Control B
A group of students who do not receive schistosomiasis health education intervention led by community health volunteers. The control arm received conventional education.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Attitudes Changes
Time Frame: before the intervention, six months after the intervention, and at the end of the one-year observation period

Measurement Tool: "Schistosomiasis Attitudes Questionnaire" Description: This questionnaire assesses the attitudes level of students regarding schistosomiasis.

Scale Title: Schistosomiasis Attitudes Questionnaire Range: Minimum value: 11, Maximum value: 55 Interpretation: Higher scores indicate more positive attitudes related to schistosomiasis
before the intervention, six months after the intervention, and at the end of the one-year observation period
Behaviors Changes
Time Frame: before the intervention, six months after the intervention, and at the end of the one-year observation period

Measurement Tool: "Schistosomiasis Behaviors Questionnaire" Description: This questionnaire assesses the behaviors level of students regarding schistosomiasis.

Scale Title: Schistosomiasis Behaviors Questionnaire Range: Minimum value:10 , Maximum value:30 Interpretation: Higher scores indicate more positive behaviors related to schistosomiasis
before the intervention, six months after the intervention, and at the end of the one-year observation period
Change in Infection Rate
Time Frame: before the intervention, six months after the intervention, and at the end of the one-year observation period
For biological sample collection, students provided first-morning urine samples (30-50 mL) in sterile, pre-labeled wide-mouth containers under teacher supervision to ensure protocol adherence. Certified laboratory technicians performed standardized filtration and microscopic analysis to detect S. haematobium eggs. All egg counts were initially recorded manually, then entered into a Microsoft Excel database using dual-entry verification to maintain data integrity. Infection intensity classified by WHO criteria (light: 1-49 eggs/10ml urine; heavy: ≥ 50 eggs/10ml urine)
before the intervention, six months after the intervention, and at the end of the one-year observation period
Change in Knowledge Scores
Time Frame: before the intervention, six months after the intervention, and at the end of the one-year observation period

Measurement Tool: "Schistosomiasis Knowledge Questionnaire" Description: This questionnaire assesses the knowledge level of students regarding schistosomiasis.

Scale Title: Schistosomiasis Knowledge Questionnaire Range: Minimum value: 0, Maximum value: 10 Interpretation: Higher scores indicate a better understanding of schistosomiasis
before the intervention, six months after the intervention, and at the end of the one-year observation period

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Student satisfaction survey
Time Frame: before the intervention, six months after the intervention, and at the end of the one-year observation period.
Student Satisfaction Scale, ranging from 2 to 6, where higher scores indicate greater satisfaction.
before the intervention, six months after the intervention, and at the end of the one-year observation period.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Pemba Ministry of Health Zanzibar

Investigators

  • Study Chair: Saleh Juma, MSc, NTD office in Pemba

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 24, 2024

Primary Completion (Actual)

February 28, 2025

Study Completion (Actual)

March 8, 2025

Study Registration Dates

First Submitted

February 27, 2024

First Submitted That Met QC Criteria

March 12, 2024

First Posted (Actual)

March 15, 2024

Study Record Updates

Last Update Posted (Estimated)

October 10, 2025

Last Update Submitted That Met QC Criteria

September 17, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • PembaMoH

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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