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. 2017 Mar 8;17:66. doi: 10.1186/s12887-017-0822-z

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — a Mobile phone coverage in the home during the past week; b Location for charging phones (categories are not mutually exclusive; only 2% of mothers reported charging their phone in multiple locations); c Number of times the phone lacked power in the past week due to inability to complete charging; d Number of days in the past week the phone was not fully functional (functional was defined as having both a signal and sufficient battery to make a call or send or receive an SMS message)