Completed NA INTERVENTIONAL 2-arm NCT04508010

Comparison of IVR and CATI Surveys in Bangladesh

Comparison of Interactive Voice Response (IVR) and Computer-assisted Telephone Interview (CATI) Mobile Phone Surveys for Non-communicable Disease Risk Factor Surveillance in Bangladesh

Sponsor: Institute of Epidemiology, Disease Control and Research

Conditions Non Communicable Diseases Surveys and Questionnaires

Interventions CATI IVR

Updated 7 times since 2020 Last updated: Apr 25, 2022 Started: Aug 25, 2020 Primary completion: Apr 30, 2021 Completion: Apr 30, 2021

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Non Communicable Diseases and Surveys and Questionnaires and is currently completed. Institute of Epidemiology, Disease Control and Research leads this study, which shows 7 recorded versions since 2020 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
May 2022 — Jul 2024 [monthly]

Completed NA

Status: Recruiting → Completed
Apr 2021 — May 2022 [monthly]

Recruiting NA
Mar 2021 — Apr 2021 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting

▶ Show 2 earlier versions

Jan 2021 — Mar 2021 [monthly]

Not Yet Recruiting NA
Sep 2020 — Jan 2021 [monthly]

Not Yet Recruiting NA

First recorded

Aug 2020

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Institute of Epidemiology, Disease Control and Research
Johns Hopkins Bloomberg School of Public Health

Data source: Johns Hopkins Bloomberg School of Public Health

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Dhaka, Bangladesh