Table 5.
Collinearity diagnostics of models
| Models | Dimensions |
Collinearity diagnostics |
|
| Eigenvalues | Condition indices | ||
| Multiple linear regression model for IBS-SSS score in IBS-D group | 1 | 3.897 | 1.000 |
| 2 | 1.008 | 1.966 | |
| 3 | 0.751 | 2.278 | |
| 4 | 0.643 | 2.462 | |
| 5 | 0.407 | 3.093 | |
| 6 | 0.222 | 4.186 | |
| 7 | 0.071 | 7.394 | |
| Multiple linear regression model for maximum tolerable threshold in IBS-D group | 1 | 2.286 | 1.000 |
| 2 | 0.675 | 1.841 | |
| 3 | 0.040 | 7.580 | |
IBS-D: Irritable bowel syndrome with predominant diarrhea; IBS-SSS: Irritable bowel syndrome symptom severity scale score.