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Article History

Received: 22 July 2020

Accepted: 1 January 2021

First Online: 12 January 2021

Ethics approval and consent to participate

: This study used publicly available data of Pakistan Social and Living Standards Measurement Survey (PSLM) and therefore permissions and/or licenses to access the data used in this study is not a requirement. The Pakistan Bureau of Statistics (PBS) received ethical approval from the National Bioethics Committee ( ) to conduct the PSLM. All participants gave verbal informed consent prior to the interview and all data were shared in anonymized form.

: Not applicable.

: The issue of the competing interests does not arise in this manuscript.