Table 4.
Differences in DAT1 and the NEO Five-Factor Inventory scale or the STAI scale, between healthy control subjects and NPS users.
| STAI/NEO Five-Factor Inventory | DAT1 | ANOVA | |||||||
|---|---|---|---|---|---|---|---|---|---|
| NPS Users (n = 73) | Control (n = 301) |
9/9 (n = 21) |
9/10 (n = 138) |
10/10 (n = 215) |
Factor | F (p-Value) | ɳ2 | Power (alfa = 0.05) | |
| STAI state/scale | 6.08 ± 2.23 | 4.69 ± 2.14 | 4.38 ± 2.25 | 5.05 ± 2.21 | 4.96 ± 2.24 | intercept | F1, 368 = 341.56 (p < 0.0001 *) | 0.481 | 1.000 |
| NPS users/control | F1, 368 = 6.30 (p = 0.012 *) | 0.017 | 0.707 | ||||||
| DAT1 | F2, 368 = 1.32 (p = 0.267) | 0.007 | 0.285 | ||||||
| NPS users/control × DAT1 | F2, 368 = 1.23 (p = 0.291) | 0.007 | 0.269 | ||||||
| STAI trait/scale | 7.34 ± 2.21 | 5.16 ± 2.18 | 5.00 ± 2.07 | 5.74 ± 2.36 | 5.54 ± 2.36 | intercept | F1, 368 = 457,68 (p < 0.0001 *) | 0.554 | 1.000 |
| NPS users/control | F1, 368 = 15.07 (p = 0.0001 *) | 0.039 | 0.972 | ||||||
| DAT1 | F2, 368 = 1.22 (p = 0.295) | 0.007 | 0.266 | ||||||
| NPS users/control × DAT1 | F2,368 = 0.39 (p = 0.673) | 0.002 | 0.114 | ||||||
| Neuroticism/scale | 6.92 ± 2.39 | 4.67 ± 2.01 | 4.48 ± 2.11 | 5.12 ± 2.36 | 5.16 ± 2.22 | intercept | F1, 368 = 415.23 (p < 0.0001 *) | 0.530 | 1.000 |
| NPS users/control | F1, 368 = 14.02 (p = 0.0002 *) | 0.037 | 0.962 | ||||||
| DAT1 | F2,36 8 = 2.62 (p = 0.073) | 0.014 | 0.521 | ||||||
| NPS users/control × DAT1 | F2, 368 = 4.23 (p = 0.015 *) | 0.022 | 0.739 | ||||||
| Extraversion/scale | 5.78 ± 2.16 | 6.37 ± 1.98 | 6.52 ± 2.06 | 6.19 ± 2.04 | 6.33 ± 2.01 | intercept | F1, 368 = 599.92 (p < 0.0001 *) | 0.620 | 1.000 |
| NPS users/control | F1, 368 = 0.240 (p = 0.624) | 0.001 | 0.078 | ||||||
| DAT1 | F2, 368 = 3.24 (p = 0.040 *) | 0.017 | 0.615 | ||||||
| NPS users/control × DAT1 | F2, 368 = 3.81 (p = 0.023 *) | 0.020 | 0.691 | ||||||
| Openness/scale | 4.84 ± 1.95 | 4.53 ± 1.61 | 4.29 ± 1.52 | 4.49 ± 1.78 | 4.68 ± 1.63 | intercept | F1, 368 = 409.43 (p < 0.0001 *) | 0.527 | 1.000 |
| NPS users/control | F1, 368 = 0.055 (p = 0.814) | 0.0001 | 0.056 | ||||||
| DAT1 | F2, 368 = 0.57 (p = 0.564) | 0.003 | 0.145 | ||||||
| NPS users/control × DAT1 | F2, 368 = 0.14 (p = 0.872) | 0.001 | 0.071 | ||||||
| Agreeableness/scale | 4.67 ± 2.06 | 5.60 ± 2.09 | 4.81 ± 1.63 | 5.30 ± 2.18 | 5.55 ± 2.10 | intercept | F1, 368 = 356,66 (p < 0.0001 *) | 0.492 | 1.000 |
| NPS users/control | F1, 368 = 0.24 (p = 0.623) | 0.001 | 0.078 | ||||||
| DAT1 | F2, 368 = 0.68 (p = 0.507) | 0.004 | 0.164 | ||||||
| NPS users/control × DAT1 | F2, 368 = 1.15 (p = 0.314) | 0.006 | 0.254 | ||||||
| Conscientiousness/scale | 5.82 ± 2.26 | 6.08 ± 2.15 | 6.62 ± 2.33 | 6.04 ± 2.10 | 5.96 ± 2.20 | intercept | F1, 368 = 452.91 (p < 0.0001 *) | 0.552 | 1.000 |
| NPS users/control | F1, 368 = 0.20 (p = 0.654) | 0.0005 | 0.073 | ||||||
| DAT1 | F2, 368 = 0.38 (p = 0.686) | 0.002 | 0.111 | ||||||
| NPS users/control × DAT1 | F2, 368 = 0.44 (p = 0.638) | 0.002 | 0.123 | ||||||
* Significant differences between groups.