Updates are available Correction dated 2021-05-31

Article History

Received: 20 April 2019

Accepted: 9 March 2020

First Online: 20 March 2020

Change Date: 31 May 2021

Change Type: Correction

Change Details: A Correction to this paper has been published:

Change Details: https://doi.org/10.1186/s12889-021-10799-5

Ethics approval and consent to participate

: The data is freely available in public domain and survey agencies that conducted the field survey for the data collection have collected a prior consent from the respondent. Local ethics committee of International Institute for Population Sciences (IIPS), Mumbai, ruled that no formal ethics approval was required to carry out research from this data source.

: Not applicable.

: The authors declare that they have no competing interests.