Journal
PSYCHIATRY RESEARCH
Volume 190, Issue 1, Pages 103-109Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2011.05.012
Keywords
Omega-3; Fish; National survey; Nutrition; Gender; Depressed mood
Categories
Funding
- National Center for Health Statistics
- National Institute on Aging
- National Cancer Institute
- National Center for Chronic Disease Prevention and Health Promotion
- National Institute of Child Health and Human Development
- National Heart, Lung, and Blood Institute
- National Institute on Alcohol Abuse and Alcoholism
- National Institute of Mental Health
- National Institute of Diabetes and Digestive and Kidney Diseases
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- National Institute of Allergy and Infectious Diseases
- National Institute of Neurological and Communicative Disorders and Stroke
- U.S. Department of Agriculture
- Georgia Southern University
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The evidence obtained from prospective studies to support the hypothesis that fish consumption may improve mental status remains limited. The current study prospectively assessed a low frequency of fish consumption as a risk factor for depressed mood. Included were 5068 adults aged 25-74 years examined in 1971-1975 as the baseline of the First National Health and Nutrition Examination Survey Follow-up Study. Frequency of eating fish at baseline was obtained using a 3-month food frequency questionnaire. Severely depressed mood (SDM) was defined as the Center for Epidemiologic Studies Depression Scale scores >= 22 or taking anti-depressants. After an average of 10.6 years of follow-up, among men (n = 2039), the percentage of individuals with SDM was 11.7%. Compared with frequent consumers (more than once a week), the odds ratios (ORs) were 1.43 (95%Cl = 0.66-3.11) and 2.08 (1.08-4.09) respectively for the men eating fish once a week and less than once a week (p for trend = 0.03). Among women (n = 3029), the percentage of individuals with SDM was 17.89%. The ORs were 1 (reference), 0.91 (0.68-1.22) and 1.15 (0.83-1.59) respectively for the women eating fish more than once, once, and less than once a week. These estimates were obtained after adjustment for indicators of social deprivation and major physical diseases. The study concluded that independently from social deprivation and physical diseases, low fish consumption was a risk factor for SDM among men. Further studies are needed to confirm these findings and elucidate mechanisms for the difference between men and women. (C) 2011 Elsevier Ireland Ltd. All rights reserved.
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