JMA Journal
  • Twitter
  • Feed
  • Mail
Table 1. Number of Patients with Inflammatory Bowel Disease and Dietary Intake in Japan.

From: Increased Incidence of Inflammatory Bowel Disease in Association with Dietary Transition (Westernization) in Japan

1965 1970 1975 1980 1985 1990 1995 2000
Number of new cases
　Ulcerative colitis 79 256 965 432 2490 2387 4264 6083
　Crohn’s disease 3 12 82 122 656 894 1308 1615
Number of patients
　Ulcerative colitis 965 4405 11602 23200 41243 66714
　Crohn’s disease 128* 672 2831 6694 12645 19651
Total population by census (million) 98.3 103.7 111.9 117.1 121.0 123.6 125.6 127.0
Estimated incidence per 100,000
　Ulcerative colitis 0.08 0.25 0.9 0.4 2.1 1.9 3.4 4.8
　Crohn’s disease 0.003 0.01 0.07 0.1 0.5 0.7 1.0 1.3
Food groups intake per capita/day
　Rice (g) 350 306 248 226 216 198 168 160
　Wheat (g) 60.4 64.8 90.2 91.8 91.3 84.8 93.7 94.3
　Potatoes (g) 41.9 37.8 60.9 63.4 63.2 65.3 68.9 64.7
　Sugars (g) 17.9 19.7 14.6 12.0 11.2 10.6 9.9 9.3
　Confectioneries (g) 31.6 36.7 29.0 25.0 22.8 20.3 26.8 22.2
　Fats & oils (g) 10.2 15.6 15.8 16.9 17.7 17.6 17.3 16.4
　Beans (g) 69.6 71.2 70.0 65.4 66.6 68.5 70.0 70.2
　Fruits (g) 58.8 81.0 193.5 155.2 140.6 124.8 133.0 117.4
　Vegetables & mushrooms (g) 219.4 249.3 246.7 251.4 261.7 250.3 290.2 276.0
　Seaweeds (g) 6.1 6.9 4.9 5.1 5.6 6.1 5.3 5.5
　Beverages (g) 119.4 163.4 148.4 134.7 136.1 137.4 190.2 182.3
　Fishes & shellfishes (g) 76.3 87.4 94.0 92.5 90.0 95.3 96.9 92.0
　Meats (g) 29.5 42.5 64.2 67.9 71.7 71.2 82.3 78.2
　Eggs (g) 35.2 41.2 41.5 37.7 40.3 42.3 42.1 39.7
　Milk & dairy products (g) 57.4 78.8 103.5 115.2 116.7 130.1 144.4 127.6
Energy (kcal) 2184 2210 2188 2084 2088 2026 2042 1948
Nutrient intake per capita/day
　Carbohydrate (g) 384 368 337 313 298 287 280 266
　Protein (g) 71.3 77.6 81.0 78.7 79.0 78.7 81.5 77.7
　Fat (g) 36.0 46.5 52.0 52.4 56.9 56.9 59.9 57.4
　Dietary fiber (g) 15.7 16.3 16.5 15.7 15.8 15.2 15.9 15.7
　Animal protein (g) 28.5 34.2 38.9 39.2 40.1 41.0 43.9 41.7
　Animal fat (g) 14.3 20.9 26.9 26.9 27.6 27.5 29.8 28.8
» Back to article page
Table 2. Simple Correlation Coefficients and Their P Values among Nutritional Variables and Inflammatory Bowel Disease.

From: Increased Incidence of Inflammatory Bowel Disease in Association with Dietary Transition (Westernization) in Japan

Ri Wh Po Su Co FO Be Fr VM SW Bev FS Me Eg MD En CH P F DF AP AF UC CD
Ri 1.000 -0.795 -0.805 0.895 0.761 -0.722 0.267 -0.250 -0.578 0.164 -0.406 -0.833 -0.926 -0.540 -0.974 0.880 0.985 -0.522 -0.927 0.525 -0.924 -0.897 -0.825 -0.836
Wh **** 1.000 0.759 -0.767 -0.630 0.652 -0.546 0.723 0.584 -0.554 0.127 0.693 0.896 0.319 0.781 -0.522 -0.764 0.683 0.871 -0.129 0.819 0.904 0.426 0.405
Po **** **** 1.000 -0.855 -0.846 0.483 -0.135 0.392 0.372 -0.497 -0.034 0.687 0.759 0.206 0.737 -0.756 -0.822 0.364 0.737 -0.363 0.693 0.714 0.618 0.631
Su **** **** **** 1.000 0.866 -0.518 0.402 -0.267 -0.436 0.391 -0.124 -0.808 -0.893 -0.359 -0.870 0.825 0.923 -0.476 -0.805 0.540 -0.866 -0.824 -0.753 -0.787
Co **** **** **** **** 1.000 -0.534 0.281 -0.169 -0.118 0.281 0.186 -0.592 -0.673 -0.266 -0.730 0.830 0.840 -0.156 -0.684 0.681 -0.624 -0.616 -0.602 -0.670
FO **** **** ** ** *** 1.000 -0.381 0.387 0.421 0.055 0.190 0.613 0.719 0.742 0.787 -0.490 -0.698 0.528 0.881 -0.454 0.727 0.771 0.365 0.408
Be *** * * 1.000 -0.547 -0.148 0.394 0.217 -0.327 -0.505 -0.234 -0.339 0.034 0.279 -0.472 -0.423 0.680 -0.461 -0.510 0.045 0.012
Fr **** * * *** 1.000 0.430 -0.684 -0.085 0.360 0.506 0.169 0.263 0.123 -0.180 0.677 0.487 0.369 0.415 0.580 -0.173 -0.215
VM *** *** * ** ** ** 1.000 -0.309 0.605 0.619 0.658 0.391 0.542 -0.270 -0.468 0.739 0.602 0.184 0.667 0.711 0.473 0.407
SW *** ** * * **** 1.000 0.239 -0.244 -0.362 0.302 -0.104 0.009 0.157 -0.345 -0.204 -0.268 -0.239 -0.348 0.036 0.066
Be **** 1.000 0.333 0.329 0.350 0.383 -0.273 -0.296 0.335 0.304 0.060 0.400 0.334 0.549 0.468
FS **** **** **** **** **** **** * **** * 1.000 0.875 0.648 0.843 -0.606 -0.789 0.777 0.838 -0.330 0.929 0.882 0.651 0.677
Me **** **** **** **** **** **** * ** **** * * **** 1.000 0.567 0.926 -0.677 -0.892 0.745 0.948 -0.351 0.981 0.982 0.658 0.666
Eg *** * **** * * **** *** 1.000 0.612 -0.322 -0.482 0.589 0.656 -0.371 0.664 0.621 0.386 0.436
MD **** **** **** **** **** **** * *** * **** **** **** 1.000 -0.812 -0.958 0.579 0.948 -0.552 0.942 0.907 0.754 0.787
En **** *** **** **** **** ** **** **** **** 1.000 0.925 -0.091 -0.679 0.704 -0.670 -0.598 -0.877 -0.903
CH **** **** **** **** **** **** ** **** **** ** **** **** 1.000 -0.418 -0.896 0.618 -0.881 -0.847 -0.827 -0.852
P *** **** * ** *** ** **** **** * * **** **** *** *** * 1.000 0.698 0.171 0.776 0.807 0.233 0.219
F **** **** **** **** **** **** ** ** **** **** **** **** **** **** **** **** 1.000 -0.407 0.939 0.961 0.609 0.625
DF *** * *** **** ** * * * * *** **** **** * 1.000 -0.382 -0.283 -0.543 -0.642
AP **** **** **** **** **** **** ** * **** * **** **** **** **** **** **** **** **** * 1.000 0.971 0.694 0.711
AF **** **** **** **** **** **** * *** **** * * **** **** **** **** *** **** **** **** **** 1.000 0.591 0.593
UC **** * **** **** *** * ** *** **** **** * **** **** **** **** *** **** **** 1.000 0.979
CD **** * **** **** **** * * ** **** **** ** **** **** **** **** **** **** **** **** 1.000
» Back to article page
Table 3. Multiple Linear Regression between Food Intake and the Number of New Cases of Inflammatory Bowel Disease.

From: Increased Incidence of Inflammatory Bowel Disease in Association with Dietary Transition (Westernization) in Japan

Food Ulcerative colitis Crohn’s disease
Regression
coefficient		 Standard
regression
coefficient		 p value Regression
coefficient		 Standard
Regression
coefficient		 p value
Rice -54.463 -1.670 < 0.0001 -17.186 -1.678 < 0.0001
Wheat -96.753 -0.635 < 0.0001 -34.811 -0.728 < 0.0001
Fats & oils -354.432 -0.452 < 0.0001 -88.677 -0.360 < 0.0001
Intercept 28703.128 < 0.0001 Intercept 8894.132 < 0.0001
R 0.958 R 0.967
» Back to article page
Table 4. Factor Analysis among Six Nutrients and Energy and the Number of New Cases of Inflammatory Bowel Disease: Ulcerative Colitis (Upper Panel) and Crohn’s Disease (Lower Panel).

From: Increased Incidence of Inflammatory Bowel Disease in Association with Dietary Transition (Westernization) in Japan

Principal
component		 Eigen
value		 Proportion
of
variance		 Loading score
Energy Carbo-
hydrates		 Protein Fat Dietary
fiber		 Animal
protein		 Animal
fat		 Ulcerative
colitis
Factor 1 5.705 71.3% -0.842 -0.975 0.637 0.946 -0.550 0.960 0.922 0.819
Factor 2 1.681 21.0% 0.490 0.160 0.747 0.200 0.727 0.245 0.357 -0.318
Factor 3 0.368 4.6%
Factor 4 0.180 2.3%
Principal
component		 Eigen
value		 Proportion
of
variance		 Energy Carbo-
hydrates		 Protein Fat Dietary
fiber		 Animal
protein		 Animal
fat		 Crohn's
disease
Factor 1 5.729 71.6% -0.847 -0.976 0.628 0.944 -0.567 0.957 0.917 0.834
Factor 2 1.726 21.6% 0.474 0.143 0.753 0.215 0.725 0.257 0.371 -0.372
Factor 3 0.290 3.6%
Factor 4 0.196 2.4%
» Back to article page
PAGE TOP