Correction to: BMC Public Health (2021) 21:1857

https://doi.org/10.1186/s12889-021-11923-1

In this article [1] ref. 47 was missing and the first sentence of the Methods sections should be as shown below. The references and their in-text citation after the updated reference 47 have been renumbered. The original article has been updated.

Methods

Study design and setting

This research is part of a larger study to promote handwashing in a low-income environment [47].