Table 7.
Summary of hierarchical logistical regression analysis predicting the presence of Crohn’s disease (CD) (95% BCa bootstrap confidence intervals based on 5,000 samples).
| b | p | 95% Confidence Interval | 95% Confidence Interval for Odds Ratio | ||||
|---|---|---|---|---|---|---|---|
| Lower | Upper | Lower | Odds | Upper | |||
| Step 1 | |||||||
| Constant | −4.29 | .002** | −9.38 | −1.87 | |||
| Anxiety | .08 | .076 | −0.01 | 0.23 | 0.99 | 1.08 | 1.18 |
| Depression | .13 | .025* | 0.01 | 0.35 | 0.99 | 1.14 | 1.31 |
| Step 2 | |||||||
| Constant | −4.23 | .008** | −14.87 | −1.02 | |||
| Anxiety | .09 | .033* | .001 | .38 | 0.99 | 1.09 | 1.2 |
| Depression | .15 | .067 | −.01 | .61 | 0.99 | 1.16 | 1.36 |
| HFnu | −.04 | .074 | −.17 | .001 | 0.92 | 0.96 | 1 |
| Cortisol | .002 | .401 | −.004 | .01 | 1 | 1 | 1.01 |
| Step 3 | |||||||
| Constant | −15.13 | .001*** | −1605.15 | −8.86 | |||
| Anxiety | .16 | .015 | −.10 | 18.32 | 1.01 | 1.17 | 1.36 |
| Depression | .11 | .331 | −1.19 | 23.91 | 0.87 | 1.11 | 1.43 |
| HFnu | −.03 | .193 | −5.14 | .07 | 0.92 | 0.97 | 1.01 |
| Cortisol | .01 | .016 | −.003 | .61 | 1 | 1.01 | 1.01 |
| DIF | .13 | .438 | −1.12 | 25.65 | 0.8 | 1.14 | 1.63 |
| DDF | .56 | < .001*** | .15 | 53.73 | 1.12 | 1.74 | 2.71 |
***≤.001; **≤.01; *≤.05. HFnu, High Frequency Normalized unit; DIF, Difficulty identifying feelings; DDF, Difficulty describing feelings on the Toronto Alexithymia Scale.