Diet and Mental Health During Emerging Adulthood: A Systematic Review
Bibliographic record
Abstract
Previous research has reported associations between diet and risk of depression and anxiety; however, this is underexplored in emerging adulthood (EA; 18–29 years). This systematic review examined associations between diet quality and common mental disorders and their related symptomatology in the published EA literature. A systematic search according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines was conducted for articles published between 2009 and 2019. Grading of evidence was performed using an established quality assessment tool for quantitative studies. Sixteen studies were included for review. Findings supported EA as a risk period for both poor mental health and low diet quality. There was moderate support for associations between diet quality and depression, anxiety, positive/negative affect, suicide ideation, and psychological health. Methodological quality overall was weak. EA appears to be a critical period for both diet quality and mental health. Further research is needed to better understand diet and mental health associations among EAs.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.004 | 0.018 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.006 | 0.007 |
| Bibliometrics | 0.006 | 0.007 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.004 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".