Status:
COMPLETED
Use of Airtime Incentives to Improve Short Message Service 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 four different airtime incentive amounts on short message service (SMS) survey cooperation, response, refusal and contact rates, as compared to control group, in Col...
Detailed Description
Using random digit dialing (RDD) sampling technique, participants were randomized to one of four airtime incentive amounts contingent on them completing the noncommunicable disease risk factor survey....
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 :
February 19 2019
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 26 2019
Estimated Enrollment :
2151 Patients enrolled
Trial Details
Trial ID
NCT03768934
Start Date
February 19 2019
End Date
April 26 2019
Last Update
August 11 2020
Active Locations (2)
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1
Instituto de Salud Publica Pontificia Universidad Javeriana
Bogotá, D.C., Colombia
2
Ifakara Health Institute
Dar es Salaam, Tanzania