Dietary patterns and colorectal cancer risk in Japan: The Ohsaki Cohort Study

Yumi Kumagai, Wan Ting Chou, Yasutake Tomata, Yumi Sugawara, Masako Kakizaki, Yoshikazu Nishino, Ichiro Tsuji

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Purpose: To evaluate dietary patterns in relation to colorectal cancer risk in Japanese. Methods: We prospectively assessed the association between dietary patterns among the Japanese and the risk of colorectal cancer. Dietary information was collected from 44,097 Japanese men and women aged 40-79 years without a history of cancer at the baseline in 1994. Results: During 11 years of follow-up, we documented 854 cases of colorectal cancer, which included 554 cases of colon cancer and 323 cases of rectal cancer. Factor analysis (principal component analysis) based on a validated food frequency questionnaire identified three dietary patterns: (1) a Japanese dietary pattern, (2) an "animal food" dietary pattern, and (3) a high-dairy, high-fruit-and-vegetable, low-alcohol (DFA) dietary pattern. After adjustment for potential confounders, the DFA pattern was inversely associated with the risk of colorectal cancer (hazard ratio of the highest quartile vs the lowest, 0.76; 95 % confidence interval 0.60-0.97; p for trend = 0.02). When colon and rectal cancers were separated, the inverse association between the DFA pattern and cancer risk was observed for rectal cancer (p for trend = 0.003), but not for colon cancer (p for trend = 0.43). No apparent association was observed for either the Japanese dietary pattern or the "animal food" dietary pattern. Conclusions: The DFA dietary pattern was found to be inversely associated with the risk of colorectal cancer. This association was observed for rectal cancer, but not for colon cancer.

Original languageEnglish
Pages (from-to)727-736
Number of pages10
JournalCancer Causes and Control
Volume25
Issue number6
DOIs
Publication statusPublished - 01-01-2014

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Colonic Neoplasms
Colorectal Neoplasms
Rectal Neoplasms
Japan
Cohort Studies
Food
Principal Component Analysis
Vegetables
Statistical Factor Analysis
Fruit
Neoplasms
Alcohols
Confidence Intervals

All Science Journal Classification (ASJC) codes

  • Oncology
  • Cancer Research

Cite this

Kumagai, Y., Chou, W. T., Tomata, Y., Sugawara, Y., Kakizaki, M., Nishino, Y., & Tsuji, I. (2014). Dietary patterns and colorectal cancer risk in Japan: The Ohsaki Cohort Study. Cancer Causes and Control, 25(6), 727-736. https://doi.org/10.1007/s10552-014-0375-5
Kumagai, Yumi ; Chou, Wan Ting ; Tomata, Yasutake ; Sugawara, Yumi ; Kakizaki, Masako ; Nishino, Yoshikazu ; Tsuji, Ichiro. / Dietary patterns and colorectal cancer risk in Japan : The Ohsaki Cohort Study. In: Cancer Causes and Control. 2014 ; Vol. 25, No. 6. pp. 727-736.
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abstract = "Purpose: To evaluate dietary patterns in relation to colorectal cancer risk in Japanese. Methods: We prospectively assessed the association between dietary patterns among the Japanese and the risk of colorectal cancer. Dietary information was collected from 44,097 Japanese men and women aged 40-79 years without a history of cancer at the baseline in 1994. Results: During 11 years of follow-up, we documented 854 cases of colorectal cancer, which included 554 cases of colon cancer and 323 cases of rectal cancer. Factor analysis (principal component analysis) based on a validated food frequency questionnaire identified three dietary patterns: (1) a Japanese dietary pattern, (2) an {"}animal food{"} dietary pattern, and (3) a high-dairy, high-fruit-and-vegetable, low-alcohol (DFA) dietary pattern. After adjustment for potential confounders, the DFA pattern was inversely associated with the risk of colorectal cancer (hazard ratio of the highest quartile vs the lowest, 0.76; 95 {\%} confidence interval 0.60-0.97; p for trend = 0.02). When colon and rectal cancers were separated, the inverse association between the DFA pattern and cancer risk was observed for rectal cancer (p for trend = 0.003), but not for colon cancer (p for trend = 0.43). No apparent association was observed for either the Japanese dietary pattern or the {"}animal food{"} dietary pattern. Conclusions: The DFA dietary pattern was found to be inversely associated with the risk of colorectal cancer. This association was observed for rectal cancer, but not for colon cancer.",
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Kumagai, Y, Chou, WT, Tomata, Y, Sugawara, Y, Kakizaki, M, Nishino, Y & Tsuji, I 2014, 'Dietary patterns and colorectal cancer risk in Japan: The Ohsaki Cohort Study', Cancer Causes and Control, vol. 25, no. 6, pp. 727-736. https://doi.org/10.1007/s10552-014-0375-5

Dietary patterns and colorectal cancer risk in Japan : The Ohsaki Cohort Study. / Kumagai, Yumi; Chou, Wan Ting; Tomata, Yasutake; Sugawara, Yumi; Kakizaki, Masako; Nishino, Yoshikazu; Tsuji, Ichiro.

In: Cancer Causes and Control, Vol. 25, No. 6, 01.01.2014, p. 727-736.

Research output: Contribution to journalArticle

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T1 - Dietary patterns and colorectal cancer risk in Japan

T2 - The Ohsaki Cohort Study

AU - Kumagai, Yumi

AU - Chou, Wan Ting

AU - Tomata, Yasutake

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AU - Kakizaki, Masako

AU - Nishino, Yoshikazu

AU - Tsuji, Ichiro

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N2 - Purpose: To evaluate dietary patterns in relation to colorectal cancer risk in Japanese. Methods: We prospectively assessed the association between dietary patterns among the Japanese and the risk of colorectal cancer. Dietary information was collected from 44,097 Japanese men and women aged 40-79 years without a history of cancer at the baseline in 1994. Results: During 11 years of follow-up, we documented 854 cases of colorectal cancer, which included 554 cases of colon cancer and 323 cases of rectal cancer. Factor analysis (principal component analysis) based on a validated food frequency questionnaire identified three dietary patterns: (1) a Japanese dietary pattern, (2) an "animal food" dietary pattern, and (3) a high-dairy, high-fruit-and-vegetable, low-alcohol (DFA) dietary pattern. After adjustment for potential confounders, the DFA pattern was inversely associated with the risk of colorectal cancer (hazard ratio of the highest quartile vs the lowest, 0.76; 95 % confidence interval 0.60-0.97; p for trend = 0.02). When colon and rectal cancers were separated, the inverse association between the DFA pattern and cancer risk was observed for rectal cancer (p for trend = 0.003), but not for colon cancer (p for trend = 0.43). No apparent association was observed for either the Japanese dietary pattern or the "animal food" dietary pattern. Conclusions: The DFA dietary pattern was found to be inversely associated with the risk of colorectal cancer. This association was observed for rectal cancer, but not for colon cancer.

AB - Purpose: To evaluate dietary patterns in relation to colorectal cancer risk in Japanese. Methods: We prospectively assessed the association between dietary patterns among the Japanese and the risk of colorectal cancer. Dietary information was collected from 44,097 Japanese men and women aged 40-79 years without a history of cancer at the baseline in 1994. Results: During 11 years of follow-up, we documented 854 cases of colorectal cancer, which included 554 cases of colon cancer and 323 cases of rectal cancer. Factor analysis (principal component analysis) based on a validated food frequency questionnaire identified three dietary patterns: (1) a Japanese dietary pattern, (2) an "animal food" dietary pattern, and (3) a high-dairy, high-fruit-and-vegetable, low-alcohol (DFA) dietary pattern. After adjustment for potential confounders, the DFA pattern was inversely associated with the risk of colorectal cancer (hazard ratio of the highest quartile vs the lowest, 0.76; 95 % confidence interval 0.60-0.97; p for trend = 0.02). When colon and rectal cancers were separated, the inverse association between the DFA pattern and cancer risk was observed for rectal cancer (p for trend = 0.003), but not for colon cancer (p for trend = 0.43). No apparent association was observed for either the Japanese dietary pattern or the "animal food" dietary pattern. Conclusions: The DFA dietary pattern was found to be inversely associated with the risk of colorectal cancer. This association was observed for rectal cancer, but not for colon cancer.

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