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

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ClinicalTrials.gov Identifier: NCT03773146
Recruitment Status : Completed
First Posted : December 12, 2018
Last Update Posted : December 12, 2018
Sponsor:
Collaborators:
Makerere University
Institute of Epidemiology, Disease Control and Research
The Bloomberg Family Foundation, Inc.
Information provided by (Responsible Party):
Johns Hopkins Bloomberg School of Public Health

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

Condition or disease Intervention/treatment Phase
Surveys and Questionnaires Noncommunicable Diseases Other: 1X Airtime Incentive Other: Lottery Airtime Incentive Not Applicable

Detailed Description:
Using random digit dialing (RDD) sampling technologies, participants were randomized to one of three airtime incentive structures contingent on them 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 is being conducted in both Bangladesh and Uganda.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 4550 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Intervention Model Description: Participants were randomized to one of three airtime incentive structures: 1) no incentive; 2) a fixed 1X incentive for all participants who completed the noncommunicable disease risk factor survey; or 3) a lottery incentive (10-20 times larger than the fixed incentive) given to 1 out of every 20 participants who completed the same survey.
Masking: Single (Outcomes Assessor)
Primary Purpose: Other
Official Title: A Randomized Controlled Trial of Varying Airtime Incentive Structure to Improve Interactive Voice Response (IVR) Survey Performance in Bangladesh and Uganda
Actual Study Start Date : March 26, 2017
Actual Primary Completion Date : July 14, 2017
Actual Study Completion Date : July 14, 2017

Arm Intervention/treatment
No Intervention: Control
No airtime incentive was given for completing the survey
Experimental: 1X Incentive
1X Airtime Incentive
Other: 1X Airtime Incentive
An incentive given in the form of airtime

Experimental: Lottery
Lottery Airtime Incentive
Other: Lottery Airtime Incentive
An incentive given in the form of airtime




Primary Outcome Measures :
  1. Cooperation Rate #1 [ Time Frame: Through study completion, an average of one month ]
    As defined by American Association for Public Opinion Research, cooperation rate is defined as I/(I+P+R) where I is complete interviews, P is partial interviews, R is refusals and breakoffs

  2. Response Rate #4 [ Time Frame: Through study completion, an average of one month ]
    As defined by American Association for Public Opinion Research, response rate is defined as (I+P)/ (I+P+R+eU) where I is complete interview, P is partial interview, R is refusals and breakoffs, and eU is the estimated eligible proportion of unknowns


Secondary Outcome Measures :
  1. Refusal Rate #2 [ Time Frame: Through study completion, an average of one month ]
    As defined by American Association for Public Opinion Research, refusal rate is defined as R/(I+P+R+eU) where R is refusals and breakoffs, I is complete interview, P is partial interview, and eU is the estimated eligible proportion of unknowns

  2. Contact Rate #2 [ Time Frame: Through study completion, an average of one month ]
    As defined by American Association for Public Opinion Research, contact rate is defined as (I+P+R)/ (I+P+R+eU) where I is complete interview, P is partial interview, R is refusals and breakoffs, and eU is the estimated eligible proportion of unknowns



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Access to a mobile phone
  • Greater or equal to 18 years of age
  • In Bangladesh, conversant in either English or Bangla language. In Uganda, conversant in either Luo, Runyakitara, Luganda or English languages.

Exclusion Criteria:

  • Less than 18 years of age

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03773146


Locations
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Bangladesh
Institute of Epidemiology Disease Control and Research
Dhaka, Bangladesh
Uganda
Makerere University School of Public Health
Kampala, Uganda
Sponsors and Collaborators
Johns Hopkins Bloomberg School of Public Health
Makerere University
Institute of Epidemiology, Disease Control and Research
The Bloomberg Family Foundation, Inc.
Investigators
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Principal Investigator: Adnan A Hyder, PhD, MBBS Johns Hopkins University Bloomberg School of Public Health
Principal Investigator: George W Pariyo, PhD Johns Hopkins University Bloomberg School of Public Health
Publications:
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Responsible Party: Johns Hopkins Bloomberg School of Public Health
ClinicalTrials.gov Identifier: NCT03773146    
Other Study ID Numbers: 00007318-2
First Posted: December 12, 2018    Key Record Dates
Last Update Posted: December 12, 2018
Last Verified: December 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Johns Hopkins Bloomberg School of Public Health:
mobile phone surveys
interactive voice response
incentive
Additional relevant MeSH terms:
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Noncommunicable Diseases
Chronic Disease
Disease Attributes
Pathologic Processes