Table 2.
Group differences in affective and cognitive measures.
| Variable | Healthy controls (N = 20) | Patients with IBD (N = 19) | p-value |
|---|---|---|---|
| BAS reward responsiveness | 16.50 (2.33) | 17.00 (1.59) | 0.72 |
| BAS fun seeking | 12.60 (2.52) | 15.36 (1.46) | 0.00∗ |
| BAS drive | 11.10 (2.15) | 27.36 (2.43) | 0.00∗ |
| BIS | 21.15 (3.30) | 25.58 (2.11) | 0.00∗ |
| Positive affect | 32.70 (9.14) | 27.21 (8.18) | 0.11 |
| Negative affect | 12.80 (3.20) | 13.63 (3.15) | 0.34 |
| Extraversion | 29.55 (2.72) | 30.16 (2.52) | 0.39 |
| Agreeableness | 30.50 (2.58) | 29.84 (3.55) | 0.44 |
| Conscientiousness | 31.50 (3.00) | 32.63 (4.09) | 0.31 |
| Emotional stability | 25.65 (5.50) | 27.84 (4.14) | 0.13 |
| Openness | 33.35 (2.34) | 31.68 (3.19) | 0.09a |
| Digit span forward | 11.75 (2.55) | 12.36 (8.74) | 0.17 |
| Digit span backward | 9.10 (2.88) | 7.05 (1.84) | 0.01∗ |
| Digit span total | 20.85 (4.99) | 17.68 (3.32) | 0.02∗ |
| Verbal fluency raw | 45.55 (10.82) | 43.79 (12.22) | 0.55 |
| Verbal fluency normed | 0.13 (0.98) | -0.03 (1.04) | 0.63 |
BIS, Behavioral Inhibition Scale; BAS, Behavioral Approach Scale; ∗p < 0.05; a0.05 < p < 0.10.