Dietary patterns and cardiovascular disease mortality in Japan: a prospective cohort study.

Full Abstract

BACKGROUND:
Although ecological observations suggest that the Japanese diet may reduce the risk of cardiovascular disease (CVD), the impact of a Japanese dietary pattern upon mortality due to CVD is unclear.

METHODS:
We prospectively assessed the association between dietary patterns among the Japanese and CVD mortality. Dietary information was collected from 40 547 Japanese men and women aged 40-79 years without a history of diabetes, stroke, myocardial infarction or cancer at the baseline in 1994.

RESULTS:
During 7 years of follow-up, 801 participants died of CVD. Factor analysis (principal component) based on a validated food frequency questionnaire identified three dietary patterns:
(i) a Japanese dietary pattern highly correlated with soybean products, fish, seaweeds, vegetables, fruits and green tea, (ii) an 'animal food' dietary pattern and (iii) a high-dairy, high-fruit-and-vegetable, low-alcohol (DFA) dietary pattern. The Japanese dietary pattern was related to high sodium intake and high prevalence of hypertension. After adjustment for potential confounders, the Japanese dietary pattern score was associated with a lower risk of CVD mortality (hazard ratio of the highest quartile vs the lowest, 0.73; 95% confidence interval:
0.59-0.90; P for trend = 0.003). The 'animal food' dietary pattern was associated with an increased risk of CVD, but the DFA dietary pattern was not.

CONCLUSION:
The Japanese dietary pattern was associated with a decreased risk of CVD mortality, despite its relation to sodium intake and hypertension.

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Author information

Author/s: Shimazu, Taichi (T); Kuriyama, Shinichi (S); Hozawa, Atsushi (A); Ohmori, Kaori (K); Sato, Yuki (Y); Nakaya, Naoki (N); Nishino, Yoshikazu (Y); Tsubono, Yoshitaka (Y); Tsuji, Ichiro (I);

Affiliation: Division of Epidemiology, Department of Public Health and Forensic Medicine, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi 980-8575, Japan. tshimazu-thk(-atsign-)umin.ac.jp

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: International journal of epidemiology (Int J Epidemiol), published in England. (Language: eng)

Reference: 2007-Jun; vol 36 (issue 3) : pp 600-9

Dates: Created 2007/08/06; Completed 2007/11/13;

PMID: 17317693, status: MEDLINE (last retrieval date: 12/26/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

Comments and Corrections

CommentIn: Int J Epidemiol. 2007 Jun;36(3):610-1. (PMID: 17533165)

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Adult
Aged
Body Mass Index
Cardiovascular Diseases - mortality; prevention & control
Diet - statistics & numerical data
Diet Records
Epidemiologic Methods
Female

Food Habits - ethnology
Food Preferences - ethnology
Health Behavior - ethnology
Humans
Japan - epidemiology
Male
Middle Aged
Smoking - adverse effects; ethnology

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