NCT03772431

Use of Narrative Voice and Introduction Content to Improve Interactive Voice Response Surveys in Bangladesh and Uganda

A Randomized Controlled Trial of Narrative Voice and Introduction Content to Improve Interactive Voice Response (IVR) Survey Performance in Bangladesh and Uganda

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 5,580 (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 narrative voices (one male and one female) and two different introductions (one with informational content and the other with additional motivational content) on interactive voice response (IVR) survey cooperation, response, refusal, and contact rates, as compared to a control group (male, informational), in Bangladesh and Uganda.

Detailed description

Using random digit dialing (RDD) sampling techniques, participants were randomized to one of four arms: 1) male narrator and informational survey introduction, 2) male narrator and motivational survey introduction, 3) female narrator and informational survey introduction, and 4) female narrator and motivational survey introduction,male motivational, female informational, female motivational) which were then followed by a 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	Female Voice	The survey was narrated by a female voice
OTHER	Motivational Introduction	The survey introduction was worded to include motivational content
OTHER	Male Voice	The survey was narrated by a male voice
OTHER	Informational Introduction	The survey introduction was worded to include informational content

Timeline

• Start date: 2017-03-26
• Primary completion: 2017-07-17
• Completion: 2017-07-17
• First posted: 2018-12-11
• Last updated: 2023-05-10

Locations

2 sites across 2 countries: Bangladesh, Uganda