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).
| 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% | ||||||||
Overall significance of p < 0.0001 in both upper and lower panels which contain ulcerative colitis and Crohn’s disease, respectively