Table 1.

Detailed description of inclusion/exclusion criteria according to a Population, Exposure, Outcomes and Study design (PEOS).

Search Strategy	Details
Inclusion criteria	P: adults (men and women)
	E: high intake of red and processed meat
	O: Depressive disorder
	S: cohort studies, case-control, cross-sectional
Exclusion criteria	P: people < 18 years old, pregnant women, patients with chronic diseases
	E: combined consumption of multiple food components (e.g., dietary pattern)
	O: other psychological disorders
	S: not original papers (opinion paper, review article, commentary, letter, protocols, article without quantitative data, thesis, conference papers, note, book chapter), trials
Language filter	English
Time filter	No filter (from inception)
Database	PubMed/Medline; EMBASE, Scopus