Dietary Patterns and Colorectal Adenomas in Japanese Men: The Self-Defense Forces Health Study

Abstract

The role of dietary patterns in colorectal carcinogenesis remains unclear in Asian populations. Using 1999-2002 data, the authors investigated the association between dietary patterns and colorectal adenomas in 1,341 Japanese men who underwent total colonoscopy. Information about diet was obtained using a 74-item food frequency questionnaire prior to the colonoscopy. Three dietary patterns were generated by factor analysis: 1) a high-dairy, high-fruit and -vegetable, high-starch, low-alcohol pattern; 2) an "animal food" pattern; and 3) a Japanese pattern. Logistic regression analysis was used to estimate the odds ratio of having colorectal adenomas with the adjustment for potential confounding variables including body mass index, smoking, alcohol, and leisure-time physical activities. A significant inverse association was found for the high-dairy, high-fruit and -vegetable, high-starch, low-alcohol pattern; the odds ratios for the second, third, and fourth quartiles were 0.97 (95% confidence interval: 0.70, 1.36), 0.71 (95% confidence interval: 0.50, 1.01), and 0.62 (95% confidence interval: 0.43, 0.90), respectively, compared with the lowest (p(trend) = 0.003). Similar associations were observed for larger adenomas or for each subsite of the colorectum. The Japanese and "animal food" patterns were not clearly associated with colorectal adenomas. A dietary pattern including greater consumption of dairy products and fruits and vegetables with low alcohol consumption may be associated with decreased risk of colorectal adenomas.

Dietary patterns and depressive symptoms among Japanese men and women

“…Of nine studies among Japanese populations, all have identified dietary patterns similar to the healthy Japanese dietary pattern in our study (Masaki et al, 2003;Kim et al, 2004;Mizoue et al, 2005;Okubo et al, 2006Okubo et al, , 2007Hirose et al, 2007;Shimazu et al, 2007;Nanri et al, 2008;Sadakane et al, 2008). In many cases, these patterns were associated with not only vegetables and fruits but also typical Japanese foods, including soy products, seaweed, mushrooms and green tea.…”

Iranian Dietary Patterns and Risk of Colorectal Cancer

“…The edible fraction of foods was also considered using household measurement guidelines. 32 Dietary data were asked during the year prior to cancer diagnosis.…”

“…The use of dietary patterns has thus been proposed to analyze the association between diet and cancer, given their ability to capture the variations in overall food intake. 9 In particular, a few case-control [10][11][12][13][14][15][16] and cohort [17][18][19][20][21] studies have investigated the effect of diet on colorectal cancer identifying dietary patterns through factor analysis.…”

Occupational physical activity and risk for cancer of the colon and rectum in Sweden among men and women by anatomic subsite

“…Furthermore, the observed proximal shift in the distribution of cancers of the large bowel both in Western countries (Bonithon-Kopp and Benhamiche 1999) and in Japan (Takada, Ohsawa et al 2002) parallel with the observed even more increasing proximal colon cancer among African Americans (Troisi, Freedman et al 1999) support distinct pathogenic mechanisms in the carcinogenesis of the proximal and distal colon and thus, etiologic distinction by anatomic sub-site within the colon. Furthermore, life style factors such as major dietary patterns (Kim, Sasaki et al 2005;Mizoue, Yamaji et al 2005), carbohydrates (Borugian, Sheps et al 2002), vegetable and fruit consumption (Voorrips, Goldbohm et al 2000), red meat consumption (Larsson, Rafter et al 2005), cigarette smoking and alcohol use (Toyomura, Yamaguchi et al 2004), and reproductive factors (Yoo, Tajima et al 1999) are differently associated with proximal and distal colon and with gender. Hence, they deserve distinct risk factor evaluation to enhance both prevention and diagnostic strategies.…”