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Use of Airtime Amounts to Improve Interactive Voice Response Surveys in Colombia and Tanzania

Surveys and Questionnaires Clinical Trial

Official title:
A Randomized Controlled Trial of Varying Airtime Amounts to Improve Interactive Voice Response (IVR) Survey Performance in Colombia and Tanzania

Clinical Trial 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, in Colombia and Tanzania.

Clinical Trial 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. This mobile phone survey will be sent as an interactive voice response (IVR). In IVR surveys, participants use their touch tone key pad to answer pre-recorded questions. (i.e. If you are male, pres 1; If you are female, press 2). This study will be conducted in both Colombia and Tanzania. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03772470
Study type Interventional
Source Johns Hopkins Bloomberg School of Public Health
Contact
Status Completed
Phase N/A
Start date August 9, 2018
Completion date November 13, 2018
View Details
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