Table 1.

PICOS criteria for inclusion of studies

Parameter	Criterion
Participants	Any individuals or groups (the public or policy makers) in any country. Subgroup reporting according to PROGRESS-PLUS characteristics
Interventions	Implemented government fiscal or pricing policies or ones proposed by government that target the price of food or non-alcoholic beverages and are applied to the entire population within a jurisdiction
Comparisons	None required
Outcomes	Real or perceived barriers or facilitators experienced by the public or political groups, as well as actions taken by them in relation to such barriers/facilitators and grouped according to WHO-INTEGRATE framework criteria
Study design	Conducted as a systematic review with or without meta-analysis and used real-world evidence