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. 2019 Jan 16;12(1):1559268. doi: 10.1080/16549716.2018.1559268

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© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — The Bloomberg Data for Health Initiative. (a) Study 1 – evaluation of the impact of incentives and narrative voice on IVR response, contact and completion rates. (b) Study 2 – evaluation of the impact of survey modality (Interactive Voice Response vs Computer-Assisted Telephone Interview) and sampling frame on response and reliability. (c) Study 3 – Evaluation of the Ethical, Legal and Societal Issues surrounding the use of Mobile Phone Surveys for Non-communicable disease surveillance in Low- and Middle-income countries.