Table 2. Two-tailed Pearson correlations (r) of buying-shopping disorder symptoms with craving variables, performance in experimental paradigms, and comorbid psychopathology.
| PBS | Arousal | Valence | Urge to buy | mDAQpre | mDAQpost | DPP | IAT | GNG | |
|---|---|---|---|---|---|---|---|---|---|
| Buying-shopping disorder group (n = 39) | |||||||||
| Craving | |||||||||
| Arousal | .78*** | ||||||||
| Valence | .73*** | .97*** | |||||||
| Urge to buy | .69*** | .90*** | .90*** | ||||||
| mDAQpre | .73*** | .79*** | .74*** | .83*** | |||||
| mDAQpost | .69*** | .80*** | .75*** | .82*** | .97*** | ||||
| Experimental paradigms | |||||||||
| DPP | .37* | .34* | .33* | .29 | .28 | .29 | |||
| IAT | -.01 | -.12 | -.08 | -.12 | -.08 | -.08 | -.18 | ||
| GNG | .27 | .22 | .16 | .25 | .31 | .29 | -.02 | -.17 | |
| Comorbid psychopathology | |||||||||
| SIR-14 | .41* | .41** | .37* | .39* | .47** | .48** | .11 | -.14 | .24 |
| GAD-7 | .32* | .38* | .37* | .37* | .53** | .49** | < .01 | -.14 | .03 |
| PHQ-9 | .39* | .51** | .50** | .53** | .67*** | .66*** | .08 | .12 | -.09 |
| Control group (n = 39) | |||||||||
| Craving | |||||||||
| Arousal | .21 | ||||||||
| Valence | .22 | .74*** | |||||||
| Urge to buy | .03 | .71*** | .64*** | ||||||
| mDAQpre | .31 | .50** | .21 | .12 | |||||
| mDAQpost | .25 | .47** | .14 | .23 | .78*** | ||||
| Experimental paradigms | |||||||||
| DPP | .08 | .24 | .08 | .17 | .07 | .13 | |||
| IAT | -.05 | .15 | .03 | .02 | -.06 | -.19 | .09 | ||
| GNG | .13 | .13 | -.04 | .25 | .03 | .01 | -.15 | .21 | |
| Comorbid psychopathology | |||||||||
| SIR-14 | -.04 | .23 | .30 | .36* | -.22 | -.15 | -.09 | .04 | .15 |
| GAD-7 | .13 | -.02 | -.06 | -.11 | .11 | .07 | -.13 | .04 | .17 |
| PHQ-9 | .09 | -.13 | -.06 | -.10 | -.03 | -.09 | -.03 | .04 | .03 |
PBS = Pathological Buying Screener, mDAQ = modified Desires of Alcohol questionnaire, DPP = Dotprobe paradigm (attentional bias score), IAT = Implicit Association Test (D2SD), GNG = Go/no-go paradigm (commission error bias score), SIR-14 = Saving-Inventory-Revised (without acquisition items), GAD-7 = General Anxiety Disorder questionnaire, PHQ-9 = Patient Health Questionnaire depression scale.
* p < .05,
** p < .01,
*** p < .001.