Table 4.
Differences in DAT1 and NEO Five Factor Inventory between healthy control subjects and addicted subjects.
| NEO Five Factor Inventory | DAT1 | Main Effects ANOVA | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Addicted Subjects (n = 299) | Control (n = 301) | 10/10 (n = 336) | 9/10 (n = 234) | 9/9 (n = 28) | Full model | Main Effects | |||
| F (p Value) | Factor | F (p Value) | η2 | ||||||
| Neuroticism/scale | M 6.73 SD 2.18 |
M 4.67 SD 2.01 |
M 5.66 SD 2,29 |
M 5.78 SD 2.35 |
M 5.36 SD 2.74 |
F3,595 = 48.16
p = 0.000000 R2 = 0.195 |
intercept | F1,595 = 1544.33 (p = 0.000000) | 0.722 |
| addicted/control | F1,595 = 143.28 (p = 0.000000) | 0.194 | |||||||
| DAT1 | F2,595 = 0.12 (p = 0.885122) | 0.0004 | |||||||
| Extraversion/scale | M 5.76 SD 2.14 |
M 6.37 SD 1.98 |
M 6.15 SD 2.05 |
M 5.97 SD 2.09 |
M 5.93 SD 2.32 |
F3,595 = 4.88
p = 0.002317 R2 = 0.024 |
intercept | F1,595 = 1763.17 (p = 0.000000) | 0.747 |
| addicted/control | F1,595 = 13.51 (p = 0.000259) | 0.022 | |||||||
| DAT 1 | F2,595 = 0.66 (p = 0.515363) | 0.002 | |||||||
| Openness/scale | M 5.01 SD 2.02 |
M 4.53 SD 1.61 |
M 4.79 SD 1.84 |
M 4.77 SD 1.85 |
M 4.54 SD 1.89 |
F3,595 = 3.49 p = 0.015634 R2 = 0.017 |
intercept | F1,595 = 1391.91 (p = 0.000000) | 0.701 |
| addicted/control | F1,595 = 9.97 (p = 0.001670) | 0.016 | |||||||
| DAT1 | F2,595 = 0.11 (p = 0.899619) | 0.0003 | |||||||
| Agreeability/scale | M 4.30 SD 1.93 |
M 5.60 SD 2.09 |
M 5.09 SD 2.09 |
M 4.81 SD 2.14 |
M 4.50 SD 2.01 |
F3,595 = 22.87
p = 0.000000 R2 = 0.103 |
intercept | F1,595 = 1162.13 (p = 0.000000) | 0.661 |
| addicted/control | F1,595 = 64.55 (p = 0.000000) | 0.098 | |||||||
| DAT1 | F2,595 = 2.81 (p = 0.060746) | 0.009 | |||||||
| Conscientiousness/scale | M 5.59 SD 2.27 |
M 6.08 SD 2.15 |
M 5.80 SD 2.26 |
M 5.80 SD 2.14 |
M 6.39 SD 2.48 |
F3,595 = 2.92 p = 0.03354 R2 = 0.014 |
intercept | F1,595 = 1522.04 (p = 0.000000) | 0.719 |
| addicted/control | F1,595 = 6.89 (p = 0.008897) | 0.011 | |||||||
| DAT1 | F2,595 = 0.671 (p = 0.511773) | 0.002 | |||||||
Bonferroni correction was used, and the p value was reduced to 0.01 (p = 0.05/5 (number of statistical tests conducted)). M—mean, SD—standard deviation. Significances between-group differences are marked in bold.