Reviewer’s report
Title: 
A meta-analysis of the association between physical demands of domestic
labor and back pain among women
Version: 
0 
Date: 
19 Jan 2021
Reviewer's report:
Dear Author:
The paper is a nice work. It is interesting topic.
There are some comments to get a better version of the paper.
1) in the title :I suggest to remove "unpaid".
2)I am not sure that you have used enough and proper syntax. by using limited
syntax you can get only limited title and research papers.
3)In Method section: I suggest that you explain that how many of papers in your
search appeared in other languages and how did you manage them.
4)in Eligibility criteria explanation :Please avoid of repeating words. I suggest re
write the sentences.
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