Comparison of IVR and CATI Surveys in Bangladesh
Launched by JOHNS HOPKINS BLOOMBERG SCHOOL OF PUBLIC HEALTH · Aug 7, 2020
Trial Information
Current as of July 21, 2025
Completed
Keywords
ClinConnect Summary
Using random digit dialing (RDD) sampling technique, participants will be randomized to one of two arms : 1) IVR or 2) CATI. Participants in the first study arm will receive an IVR survey. Participants in the second study arm will receive a CATI survey. Each questionnaire contains a set of demographic questions and one non-communicable disease (NCD) module (alcohol, or tobacco, or diet, or physical activity, or blood pressure and diabetes). We will examine contact, response, refusal and cooperation rates and demographic representativeness by each study arm.
Gender
ALL
Eligibility criteria
- Inclusion Criteria:
- • Access to a mobile phone
- • Greater or equal to 18 years of age
- • In Bangladesh, conversant in Bengali language
- Exclusion Criteria:
- • Less than 18 years of age
About Johns Hopkins Bloomberg School Of Public Health
The Johns Hopkins Bloomberg School of Public Health is a leading institution dedicated to advancing public health research and education. Renowned for its rigorous academic programs and commitment to improving global health outcomes, the School conducts innovative clinical trials that address pressing health challenges. With a focus on evidence-based practices, multidisciplinary collaboration, and community engagement, the Bloomberg School leverages its extensive resources and expertise to contribute to the development of effective public health interventions and policies. Through its research endeavors, the School aims to enhance population health and inform health policy both locally and globally.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Dhaka, , Bangladesh
Patients applied
Trial Officials
Dustin Gibson, PhD
Principal Investigator
Johns Hopkins University Bloomberg School of Public Health
Iqbal Khan, PhD
Principal Investigator
Institute of Epidemiology, Disease Control and Research
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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