Received: 2 January 2020
Accepted: 31 August 2020
First Online: 7 September 2020
Ethics approval and consent to participate
: The dataset is available in the public domain after removing all individual level identification variables. It is not possible to identify the residence of any of the households as well. Therefore, ethical approval is not needed for the study. Permission has been obtained from the Ministry of Statistics and Implementation of the Government of India for this research and potential future publications using the data set.
: Not Applicable.
: Dr. Mahmud Khan is an associate editor of BMC Health Services Research. The authors declare that they have no competing interests.