Table 4 Summary of hierarchical linear regression analysis for variables predicting net-score in the IGT
From: The role of inhibition capacities in the Iowa gambling test performance in young tattooed women
| Â | Model 1 | Model 2 | Model 3 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Variable | B | SE B | β | B | SE B | β | B | SE B | β |
GoNoGo | |||||||||
 Education | .69 | 1.40 | .04 | .15 | 1.36 | .01 | .24 | 1.40 | .01 |
 Smoking | −2.52 | 2.81 | −.08 | 2.64 | 3.05 | .09 | 2.74 | 3.09 | .09 |
 Tattoo |  |  |  | −10.08 | 2.83 | −.37** | −15.26 | 18.80 | −.56 |
 Sum RT |  |  |  | .00 | .00 | .12 | .00 | .00 | .09 |
 Tattoo X Sum RT |  |  |  |  |  |  | .00 | .01 | .20 |
 R2 | .01 |  |  | .11 |  |  | .11 |  |  |
 F for change in R2 | .75 |  |  | 6.37** |  |  | .07 |  |  |
MFFT | |||||||||
 Education |  |  |  | .39 | 1.36 | .02 | .56 | 1.36 | .03 |
 Smoking |  |  |  | 1.92 | 3.04 | .06 | 1.25 | 3.08 | .04 |
 Tattoo |  |  |  | −8.95 | 2.73 | −.33** | −12.89 | 4.09 | −.47** |
 Error |  |  |  | −.05 | .42 | −.01 | −.65 | −.63 | −.13 |
 Tattoo X Error |  |  |  |  |  |  | 1.12 | .86 | .24 |
 R2 |  |  |  | .09 |  |  | .11 |  |  |
 F for change in R2 |  |  |  | 5.35** |  |  | 1.67 |  |  |
Stroop | |||||||||
 Education |  |  |  | .21 | 1.36 | .01 | .38 | 1.33 | .02 |
 Smoking |  |  |  | 1.7 | 3.01 | .05 | 1.77 | 3.02 | .06 |
 Tattoo |  |  |  | −8.82 | 2.72 | −.32** | −13.58 | 6.30 | −.50* |
 Interference RT |  |  |  | −.01 | .01 | −.10 | −.02 | .01 | −.17 |
 Tattoo X |  |  |  |  |  |  |  |  |  |
 Interference RT |  |  |  |  |  |  | .02 | .02 | .21 |
 R2 |  |  |  | .10 |  |  | .11 |  |  |
 F for change in R2 |  |  |  | 6.04** |  |  | .70 |  |  |