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Promised and Lottery Airtime Incentives to Improve Interactive Voice Response Survey Participation Among Adults in Bangladesh and Uganda: Randomized Controlled Trial.

Dustin Garrett GibsonGulam Muhammaed Al KibriaGeorge William PariyoSaifuddin AhmedJoseph AliAlain Bernard LabriqueIqbal Ansary KhanElizeus RutebemberwaMeerjady Sabrina FloraAdnan Ali Hyder
Published in: Journal of medical Internet research (2022)
ClinicalTrials.gov NCT03773146; http://clinicaltrials.gov/ct2/show/NCT03773146.
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