Status:
COMPLETED
Use of Airtime Amounts to Improve Interactive Voice Response Surveys in Colombia and Tanzania
Lead Sponsor:
Johns Hopkins Bloomberg School of Public Health
Collaborating Sponsors:
The Bloomberg Family Foundation, Inc.
Ifakara Health Institute
Conditions:
Surveys and Questionnaires
Noncommunicable Diseases
Eligibility:
All Genders
18+ years
Phase:
NA
Brief Summary
This study evaluates the effect of three different airtime incentive amounts on interactive voice response (IVR) survey cooperation, response, refusal and contact rates, as compared to control group, ...
Detailed Description
Using random digit dialing (RDD) sampling technique, participants were randomized one of four airtime incentive amounts contingent on them completing the noncommunicable disease risk factor survey. Th...
Eligibility Criteria
Inclusion
- Access to a mobile phone
- Greater or equal to 18 years of age
- In Colombia, conversant in the Spanish language. In Tanzania, conversant in the Swahili language.
Exclusion
- Less than 18 years of age
Key Trial Info
Start Date :
August 9 2018
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
November 13 2018
Estimated Enrollment :
4723 Patients enrolled
Trial Details
Trial ID
NCT03772470
Start Date
August 9 2018
End Date
November 13 2018
Last Update
December 11 2018
Active Locations (2)
Enter a location and click search to find clinical trials sorted by distance.
1
Instituto de Salud Publica Pontificia Universidad Javeriana
Bogotá, D.C., Colombia
2
Ifakara Health Institute
Dar es Salaam, Tanzania