Viewing Study NCT03768934


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Study NCT ID: NCT03768934
Status: COMPLETED
Last Update Posted: 2020-08-11
First Post: 2018-12-05
Is NOT Gene Therapy: False
Has Adverse Events: False

Brief Title: Use of Airtime Incentives to Improve Short Message Service Surveys in Colombia and Tanzania
Sponsor: Johns Hopkins Bloomberg School of Public Health
Organization:

Study Overview

Official Title: A Randomized Controlled Trial of Airtime Incentives to Improve Short Message Service (SMS) Survey Performance in Colombia and Tanzania
Status: COMPLETED
Status Verified Date: 2020-08
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: This study evaluates the effect of four different airtime incentive amounts on short message service (SMS) survey cooperation, response, refusal and contact rates, as compared to control group, in Colombia and Tanzania.
Detailed Description: Using random digit dialing (RDD) sampling technique, participants were randomized to one of four airtime incentive amounts contingent on them completing the noncommunicable disease risk factor survey. This mobile phone survey will be sent as a short message service (SMS). In SMS surveys, participants use their touch tone key pad to answer written questions. (i.e. If you are male, press 1; If you are female, press 2). This study will be conducted in both Colombia and Tanzania.

Study Oversight

Has Oversight DMC: False
Is a FDA Regulated Drug?: False
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: