Evidence map›Paper›PMID 32054533›Full record

ArticleBMC psychiatry2020

The relationship between dietary patterns and depression mediated by serum levels of Folate and vitamin B12.

Maryam Khosravi, Gity Sotoudeh, Maryam Amini, Firoozeh Raisi, Anahita Mansoori, Mahdieh Hosseinzadeh

Open access · goldAbstract read
In one paragraph

Article in BMC psychiatry, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 2 pooled it
9.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

48 citing papers in PubMed, 2 syntheses or guidelines pooled it, 94 citations in OpenAlex.

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  14. Vitamin B12 and homocysteine in patients with major depressive disorder.Journal of family medicine and primary care · 2024
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 6 institutions in 1 country.

Maryam KhosraviDepartment of Nutrition, School of Medicine, Mashhad University of medical Sciences, Mashhad, Iran.
Gity SotoudehDepartment of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Hojatdoost Street, Naderi Street, Keshavarz Blvd., Tehran, Iran. gsotodeh@tums.ac.ir.
Maryam AminiDepartment of Nutrition Research, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, No. 7., Hafezi St., Farahzadi Blvd., Qods Town, 19395-4741, Tehran, 1981619573, Iran. maramin2002@gmail.com.
Firoozeh RaisiDepartment of Psychiatry, Roozbeh Hospital and Psychiatry and Psychology Research Centre, Tehran University of Medical Sciences, Tehran, Iran.
Anahita MansooriNutrition and Metabolic Diseases Research Center, Ahvaz Junishapur University of Medical Sciences, Ahvaz, Iran.
Mahdieh HosseinzadehDepartment of Nutrition, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
Ahvaz Jundishapur University of Medical Sciences · IRMashhad University of Medical Sciences · IRRoozbeh Hospital · IRShahid Beheshti University of Medical Sciences · IRShahid Sadoughi University of Medical Sciences and Health Services · IRTehran University of Medical Sciences · IR

Funding

Tehran University of Medical Sciences and Health Services grant number 19374-161-03-91.
6 · The paper itself

Abstract

backgroundMajor depressive disorder is among main worldwide causes of disability. The low medication compliance rates in depressed patients as well as the high recurrence rate of the disease can bring up the nutrition-related factors as a potential preventive or treatment agent for depression. The aim of this study was to investigate the association between dietary patterns and depression via the intermediary role of the serum folate and vitamin B12, total homocysteine, tryptophan, and tryptophan/competing amino acids ratio.

methodsThis was an individually matched case-control study in which 110 patients with depression and 220 healthy individuals, who completed a semi-quantitative food frequency questionnaire were recruited. We selected the depressed patients from three districts in Tehran through non-probable convenience sampling from which healthy individuals were selected, as well. The samples selection and data collection were performed during October 2012 to June 2013. In addition, to measure the serum biomarkers 43 patients with depression and 43 healthy people were randomly selected from the study population. To diagnose depression the criteria of Diagnostic and Statistical Manual of Mental Disorders, fourth edition, were utilized.

resultsThe findings suggest that the healthy dietary pattern was significantly associated with a reduced odds of depression (OR: 0.75; 95% CI: 0.61-0.93) whereas the unhealthy dietary pattern increased it (OR: 1.382, CI: 1.116-1.71). The mediation analysis showed that the healthy dietary pattern was associated with a reduced risk of depression via increased serum levels of the folate and vitamin B12; however, the unhealthy dietary pattern was associated with increased risk of depression via decreased serum levels of folate and vitamin B12, based on tree adjusted logistic regression models.

conclusionDietary patterns may be associated with depression by changing the serum levels of folate and vitamin B12. Further studies are required to confirm the mechanism.

Indexed as

AdolescentAdultAgedCase-Control StudiesDepressionFemaleFolic AcidHomocysteineHumansIranLogistic ModelsMajor Depressive DisorderMaleMiddle AgedTryptophanVitamin B 12Folic AcidHomocysteineTryptophanVitamin B 12DepressionDietary patternEpidemiologyFolateMediation analysisTotal HomocysteineTryptophanVitamin B12

Identifiers

PMID32054533
PMCPMC7020545
OpenAlexW3005674042

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.