Table 3.
Results from linear mixed models applied to Go/No-Go task outcomes, comparing experienced non-pathological poker gamblers (EG) and healthy controls (HC) (n = 60)
| Estimate | Standard deviation | Confidence interval | p-value | |
| Number of commission errors | ||||
| Group (HC group = ref) | 0.15 | 6.32 | [–4.36; 4.19] | 0.886 |
| Block (block 1 = ref) Block 2 Block 3 |
2.20 4.40 |
6.13 7.29 |
[–1.58; 7.08] [0.22; 10.34] |
0.216 0.014 |
| Interaction group x block Group x Block 2 Group x Block 3 |
–0.71 –3.91 |
8.83 9.36 |
[–7.11; 4.54] [–11.35; 1.07] |
0.760 0.116 |
| Speed accuracy trade-off index | ||||
| Group (HC group = ref) | 0.01 | 0.06 | [–0.00; 0.01] | 0.279 |
| Block (block 1 = ref) Block 2 Block 3 |
0.00 –0.00 |
0.00 0.00 |
[–0.01; 0.01] [–0.01; 0.01] |
0.690 0.780 |
| Interaction group x block Group x Block 2 Group x Block 3 |
–0.01 0.00 |
0.00 0.00 |
[–0.02; 0.00] [–0.01; 0.01] |
0.246 0.961 |
Significant p values (p < 0.05) are indicated in bold.
Significant confounding factors (educational level, MMSE score) were entered as covariates.