IVR survey

OTHER2 trials

Sponsors

Johns Hopkins Bloomberg School of Public Health

Conditions

Noncommunicable DiseasesSurveys and Questionnaires

Unknown Phase

Comparison of SMS and IVR Surveys in Tanzania

CompletedNCT04506918

Johns Hopkins Bloomberg School of Public HealthNoncommunicable Diseases, Surveys and Questionnaires

Start: 2020-10-23End: 2021-04-30Updated: 2022-04-26

Comparison of SMS, IVR, and CATI Surveys in Colombia

CompletedNCT04506931

Johns Hopkins Bloomberg School of Public HealthNoncommunicable Diseases, Surveys and Questionnaires

Start: 2021-01-15End: 2021-04-30Updated: 2022-04-26