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. 2014 Oct 8;13:88. doi: 10.1186/s12939-014-0088-0

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© Cowling et al.; licensee BioMed Central Ltd. 2014

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 credited. 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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Interstate variations in the proportion of households using biomass fuel and with unimproved sanitation. Biomass fuel use in A) urban and B) rural areas and the proportion of households with unimproved sanitation in C) urban and D) rural areas. Data are from the 2007-09 District Level Household Survey; as data for Nagaland are not available from this survey, data from the 2005-06 National Family Health Survey are used for this state.