Table A1.

JBI Critical Appraisal Checklist for Analytical Cross-Sectional Studies.

	Yes	No	Unclear	Not Applicable
Were the criteria for inclusion in the sample clearly defined?	□	□	□	□
2.Were the study subjects and the setting described in detail?	□	□	□	□
3.Was the exposure measured in a valid and reliable way?	□	□	□	□
4.Were objective, standard criteria used for measurement of the condition?	□	□	□	□
5.Were confounding factors identified?	□	□	□	□
6.Were strategies to deal with confounding factors stated?	□	□	□	□
7.Were the outcomes measured in a valid and reliable way?	□	□	□	□
8.Was appropriate statistical analysis used?	□	□	□	□