No association between dietary patterns and depressive symptoms among a community-dwelling population in Japan

Sugawara, Norio; Yasui‐Furukori, Norio; Tsuchimine, Shoko; Kaneda, Ayako; Tsuruga, Koji; Iwane, Kaori; Okubo, Noriyuki; Takahashi, Ippei; Kaneko, Sunao

doi:10.1186/1744-859x-11-24

Cited by 35 publications

(28 citation statements)

References 22 publications

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“…Only a few prospective observational studies have inversely related healthy dietary patterns to the risk of developing adult depression [7-15]. Although some of these studies were based only on cross-sectional assessments [8,9,11-13], their results were consistent with those obtained after several years of follow-up in prospective cohorts [7,10]. …”

Section: Discussionmentioning

confidence: 62%

“…Only a few epidemiological studies, most of which had a cross-sectional design, have analyzed the role of overall dietary patterns on depression risk [7-13]. A healthy dietary pattern such as the Mediterranean diet (hereafter referred to as MD) was uniquely associated with a lower risk of depression or depressive symptoms in two observational prospective studies [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Mediterranean dietary pattern and depression: the PREDIMED randomized trial

Sánchez‐Villegas

Martínez‐González

Estruch

et al. 2013

BMC Med

331

163

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BackgroundA few observational studies have found an inverse association between adherence to a Mediterranean diet and the risk of depression. Randomized trials with an intervention based on this dietary pattern could provide the most definitive answer to the findings reported by observational studies. The aim of this study was to compare in a randomized trial the effects of two Mediterranean diets versus a low-fat diet on depression risk after at least 3 years of intervention.MethodsThis was a multicenter, randomized, primary prevention field trial of cardiovascular disease (Prevención con Dieta Mediterránea (PREDIMED Study)) based on community-dwelling men aged 55 to 80 years and women aged 60 to 80 years at high risk of cardiovascular disease (51% of them had type 2 diabetes; DM2) attending primary care centers affiliated with 11 Spanish teaching hospitals. Primary analyses were performed on an intention-to-treat basis. Cox regression models were used to assess the relationship between the nutritional intervention groups and the incidence of depression.ResultsWe identified 224 new cases of depression during follow-up. There was an inverse association with depression for participants assigned to a Mediterranean diet supplemented with nuts (multivariate hazard ratio (HR) 0.78; 95% confidence interval (CI) 0.55 to 1.10) compared with participants assigned to the control group, although this was not significant. However, when the analysis was restricted to participants with DM2, the magnitude of the effect of the intervention with the Mediterranean diet supplemented with nuts did reach statistical significance (multivariate HR = 0.59; 95% CI 0.36 to 0.98).ConclusionsThe result suggest that a Mediterranean diet supplemented with nuts could exert a beneficial effect on the risk of depression in patients with DM2.Trial registrationThis trial has been registered in the Current Controlled Trials with the number ISRCTN 35739639

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Section: Discussionmentioning

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Mediterranean dietary pattern and depression: the PREDIMED randomized trial

Sánchez‐Villegas

Martínez‐González

Estruch

et al. 2013

BMC Med

331

163

View full text Add to dashboard Cite

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“…However, the investigators from Nurses' Health Study did not reach such a clear association between consumption of prudent and Western dietary patterns and depression (23) . Moreover, some other studies failed to find any association between dietary patterns identified by a posteriori methods and depression in other communities (27,28) . Although a posteriori-driven dietary patterns have been greatly used to assess diet-disease relations, it seems that using a priori methods for the identification of dietary patterns can provide more useful information about the adherence of general population to the dietary guidelines (8)(9)(10) .…”

Section: Discussionmentioning

confidence: 95%

Adherence to Alternative Healthy Eating Index in relation to depression and anxiety in Iranian adults

et al. 2016

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Earlier studies have shown a protective association between adherence to healthy eating guidelines and mental disorders in Western nations; however, data in this regard are limited from the understudied region of Middle East. We examined the association between adherence to healthy eating guidelines, as measured by Alternative Healthy Eating Index (AHEI)-2010, and prevalence of anxiety and depression in a large sample of Iranian adults. In this cross-sectional study, data on dietary intakes of 3363 adult participants were collected using a validated dish-based 106-item semi-quantitative FFQ. Adherence to healthy eating was quantified using AHEI-2010, as suggested by earlier publications. The Iranian validated version of Hospital Anxiety and Depression Scale was used to assess anxiety and depression in study participants. Data on other covariates were gathered using a pre-tested questionnaire. Overall, the prevalence of anxiety and depression was 15·2 % (males 10·8 % and females 18·3 %) and 30·0 % (males 22·9 % and females 35·1 %), respectively. After controlling for potential confounders, those in the top quartile of AHEI-2010 had a 49 % lower chance of anxiety (OR 0·51; 95 % CI 0·35, 0·72) and a 45 % lower odds of depression (OR 0·55; 95 % CI 0·42, 0·72), compared with those in the bottom quartile. Stratified analysis by sex revealed that women in the highest categories of AHEI-2010 had a 49 % lower odds of having anxiety and depression, after adjustment for confounders, but no significant association was found in men. In addition, among individuals who were 40 years old or younger, those with high adherence to AHEI-2010 were 58 and 51 % less likely to have anxiety and depression, compared with those with less adherence. Adherence to healthy eating was inversely associated with a lower chance of anxiety and depression in Iranian adults. Prospective studies are required to confirm these associations in Middle-Eastern populations.

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“…For example, in a cross-sectional study by Sugawara et al 88 involving 791 community-dwelling individuals, 71 of whom were classified as having depression using a self-report, symptom checklist (CES-D), no relationship was found between dietary pattern and risk of depression. Four dietary patterns were identified: “healthy”, “Western”, “bread and confectionery”, and “alcohol and accompanying” (various foods, including noodles and shellfish) dietary patterns.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the potential antidepressant effects of soybean isoflavones

Messina

Gleason²

2016

Menopause

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Objective To determine whether isoflavones affect depressive symptoms in women. Methods Literature searches were conducted to identify clinical and epidemiologic studies that evaluated the impact of soy intake and isoflavone exposure on depressive symptoms. References from identified studies were also evaluated to identify eligible studies. Results Only limited epidemiologic research has evaluated the impact of soy or isoflavone intake on depression although several studies from China and Japan did find soy product intake was inversely related to risk of depression. However, often times, soy was evaluated only as a component of a summative dietary pattern (e.g., a “Japanese” or “Healthy” diet). Of the 20 intervention studies identified, roughly half found statistically significant reductions in depressive symptoms in response to isoflavones although several had design weakness. Of those studies reporting a lack of antidepressant effects of isoflavones, design limitations likely contributed to the lack of efficacy. In all but two trials, assessment of depression was, however, a secondary outcome. It is notable that both trials in which depression was a primary outcome found isoflavones significantly improved symptoms. Conclusions Although the data are inconsistent and limited, the clinical and epidemiologic evidence suggests that isoflavones may offer a safe, well-tolerated option for management of depression. Furthermore, the intervention doses used in the clinical studies fall well within the dietary range. The extant literature reveals key design features for future studies, which based upon the results of this review, are clearly warranted.

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No association between dietary patterns and depressive symptoms among a community-dwelling population in Japan

Cited by 35 publications

References 22 publications

Mediterranean dietary pattern and depression: the PREDIMED randomized trial

Mediterranean dietary pattern and depression: the PREDIMED randomized trial

Adherence to Alternative Healthy Eating Index in relation to depression and anxiety in Iranian adults

Evaluation of the potential antidepressant effects of soybean isoflavones

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