Table 1. Open in new tab PEO Criteria...

Table 1.

PEO Criteria for Inclusion and Exclusion of Studies

Criteria	Participants	Exposure	Outcome
Inclusion	Children and adolescents: ≤19 y of age and both sexes.	The dietary pattern defined a priori, using dietary indices or scores (eg, Healthy Eating Index, Inflammatory Dietary Index) reported by the selected studies, and a posteriori when determined by statistical test (eg, cluster analysis, principal components analysis).	Depression: diagnosed through international classification systems, such as the International Classification of Diseases (ICD) or Diagnostic and Statistical Manual of Mental Disorders (DSM) or information on the use of antidepressant drugs, but only when combined with the clinical diagnosis of depression.
Exclusion	Pregnant women, nursing mothers, adults, and the elderly.	Studies addressing the assessment of energy consumption, specific nutrients, foods, or isolated food groups (coffee, fruits, vegetables, vegetables, fish, or other food groups).	Postpartum depression, bipolar depression, and depression symptoms associated with other mood disorders.

Criteria	Participants	Exposure	Outcome
Inclusion	Children and adolescents: ≤19 y of age and both sexes.	The dietary pattern defined a priori, using dietary indices or scores (eg, Healthy Eating Index, Inflammatory Dietary Index) reported by the selected studies, and a posteriori when determined by statistical test (eg, cluster analysis, principal components analysis).	Depression: diagnosed through international classification systems, such as the International Classification of Diseases (ICD) or Diagnostic and Statistical Manual of Mental Disorders (DSM) or information on the use of antidepressant drugs, but only when combined with the clinical diagnosis of depression.
Exclusion	Pregnant women, nursing mothers, adults, and the elderly.	Studies addressing the assessment of energy consumption, specific nutrients, foods, or isolated food groups (coffee, fruits, vegetables, vegetables, fish, or other food groups).	Postpartum depression, bipolar depression, and depression symptoms associated with other mood disorders.