Depression Relationship with Dietary Patterns and Dietary Inflammatory Index in Women: Result from Ravansar Cohort Study
Received 23 April 2020
Accepted for publication 12 June 2020
Published 29 June 2020 Volume 2020:16 Pages 1595—1603
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Roger Pinder
Jalal Moludi,1– 3 Mehdi Moradinazar,1 Behrooz Hamzeh,1 Farid Najafi,4 Davood Soleimani,3 Yahya Pasdar1,3
1Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran; 2Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran; 3Department of Nutritional Sciences, School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran; 4Social Development and Health Promotion Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
Correspondence: Yahya Pasdar
Department of Nutritional Sciences,School of Nutritional Sciences and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
Background and aims: Chronic inflammation is thought to have a major role in the pathophysiology of depression. Diet has been shown to modulate the inflammatory state, thus emphasizing its potential as a therapeutic role in depression. But, little is known about the relationship between dietary intake and depression. The current study aimed to investigate the relationship between major dietary patterns, a dietary inflammatory index (DII) score, and depression among women.
Methods and Materials: This cross-sectional study included 4630 women aged 35– 65 years using baseline data from the Ravansar Non-Communicable Diseases (RaNCD) cohort study in Western Iran. Diet was evaluated using a validated 125-item food frequency questionnaire (FFQ) to determine DII scores and dietary patterns. Traditional, healthy, and unhealthy dietary patterns were extracted using factor analyses.
Results: A significant upward trend in the odds of depression was observed across the tertiles s of DII scores (P-trend: 0.019). After the adjustment for possible risk factors, a high adherence to an unhealthy dietary pattern was associated with a higher risk of depression than a low adherence (OR: 1.63; 95% CI: 1.1– 2.4). A high adherence to a healthy dietary pattern was associated with the lower odds (OR: 0.61; 95% CI: 0.04– 0.92). Among the main food groups, a high intake of eggs and refined grains was associated with a higher risk of depression.
Conclusion: In women, a refined grain dietary pattern is a risk factor for depression, whereas a healthy dietary pattern is protective. We have also shown that adherence to a pro-inflammatory diet was significantly associated with depression. Adherence to a dietary pattern with high intakes of dairy products, seafood, red meats, nuts, vegetables, fruits, flavor, and vegetable oils and diets with low inflammatory properties were associated with a lower risk of depression in women.
Keywords: depression, food group, dietary pattern, dietary inflammatory index
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