Effects of nutritional interventions on the severity of depressive and anxiety symptoms of women in the menopausal transition and menopause: a systematic review, meta-analysis, and meta-regression
Bibliographic record
Abstract
IMPORTANCE: Depression and anxiety may significantly affect women during the menopausal transition. In addition to traditional treatment strategies such as hormone therapy, antidepressants, and psychotherapy, nutritional interventions have been increasingly studied, but there is no consensus about their role in this patient population. OBJECTIVE: This systematic review and meta-analysis aimed to evaluate the effect of nutritional interventions on the severity of depressive (DS) and anxiety (AS) symptoms in women during the menopausal transition or menopausal years. EVIDENCE REVIEW: Electronic search using databases PubMed, Cochrane, and Embase to identify articles indexed until January 31, 2021, focusing on randomized placebo-controlled trials documenting the effect of diet, food supplements, and nutraceuticals on DS and AS. FINDINGS: Thirty-two studies were included (DS, n = 15; AS, n = 1; DS and AS combined, n = 16). We found two studies that demonstrated data combined with other interventions: one with lifestyle interventions (vitamin D plus lifestyle-based weight-loss program) and another with exercise (omega 3 plus exercise). The pooled effect size favored the intervention group over placebo for both DS and AS (DS: standardized mean difference, -0.35 [95% confidence interval, -0.68 to -0.03; P = 0.0351]; AS: standardized mean difference, -0.74 [95% CI, -1.37 to -0.11; P = 0.0229]). There was significant heterogeneity in the pooled results, which can be attributed to differences in assessment tools for depression and anxiety as well as the variety of nutritional interventions studied. The subgroup analysis showed a statistically significant effect of menopausal status (perimenopausal or menopausal) but not the type or duration of nutritional intervention. Older age was the only significant predictor of the effect size of nutritional interventions in the meta-regression. CONCLUSIONS AND RELEVANCE: Nutritional interventions are promising tools for the management of mood/anxiety symptoms in women during the menopausal transition and in postmenopausal years. Because of significant heterogeneity and risk of bias among studies, the actual effect of different approaches is still unclear.
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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 | 0.013 | 0.029 |
| Meta-epidemiology (narrow) | 0.003 | 0.002 |
| Meta-epidemiology (broad) | 0.025 | 0.045 |
| Bibliometrics | 0.006 | 0.006 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.003 | 0.002 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.002 | 0.002 |
| Insufficient payload (model declined to judge) | 0.003 | 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".