NCT04513236

Use of Airtime Timing to Improve Interactive Voice Response Surveys in Bangladesh and Uganda

A Randomized Controlled Trial of Varying Airtime Incentive Timing to Improve Interactive Voice Response (IVR) Survey Performance in Bangladesh and Uganda

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 2,287 (actual)
• Sponsor: Johns Hopkins Bloomberg School of Public Health · Academic / Other
• Sex: All
• Age: 18 Years
• Healthy volunteers: Accepted

Summary

This study evaluates the effect of two different airtime incentive timings on interactive voice response (IVR) survey cooperation, response, refusal and contact rates, as compared to a control group, in Bangladesh and Uganda.

Detailed description

Using random digit dialing sampling techniques, the study randomized RDD participants to one of three airtime incentive timings, some of all of that incentive being contingent on their completing the noncommunicable disease risk factor survey. This mobile phone survey was 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, press 1; if you are female, press 2). This study was conducted in both Bangladesh and Uganda.

Conditions

• Surveys and Questionnaires
• Noncommunicable Diseases

Interventions

Type	Name	Description
OTHER	Pre-survey incentive	An incentive of is given in the form of airtime to motivate participants to complete the survey. Participants were sent 0.1X before the were sent a mobile phone survey and an additional 1X after completing the survey.
OTHER	Post-survey incentive	An incentive in the form of airtime to motivate participants to complete the survey. Participants were given Bangladeshi Taka or Ugandan Shillings worth of certain airtime for completing the survey.

Timeline

• Start date: 2017-03-26
• Primary completion: 2017-11-01
• Completion: 2017-11-01
• First posted: 2020-08-14
• Last updated: 2023-05-10

Locations

2 sites across 2 countries: Bangladesh, Uganda