Table 2.
Association of impulsivity traits with BMI. Significant associations are bolded.
| Variable | OR [95% C.I.] (P)/B ± SE (P) |
|---|---|
| Impulsive choice | |
| Delay discounting of rewards single item yes/no | 0.470 [0.075–2.942] (0.420) |
| Task-based delay discounting of rewards area under the curve | −0.021 ± 0.009 (0.018) |
| MCQ-based delay discounting of rewards: average of log transformation of k index for large, medium, and small items | 0.011 ± 0.004 (0.004) |
| Impulsive action | |
| Go/No Go Task: inhibition of a prepotent response | 0.000286 ± 0.001 (0.745) |
| Stop Signal Task: inhibition of a prepotent response errors | −0.000129 ± 0.000254 (0.612) |
| Conner’s continuous performance test: inhibition of a prepotent response | 0.0008 ± 0.0004 (0.027) |
| Impulsive personality | |
| UPPS-P: negative urgency | 0.011 ± 0.005 (0.030) |
| UPPS-P: lack of premeditation | −0.002 ± 0.006 (0.668) |
| UPPS-P: lack of perseverance | −0.009 ± 0.005 (0.093) |
| UPPS-P: sensation seeking | −0.004 ± 0.004 (0.373) |
| UPPS-P: positive urgency | 0.003 ± 0.005 (0.602) |
| BIS: non-planning | −0.001 ± 0.001 (0.179) |
| BIS: attentional subscale | −0.000192 ± 0.001 (0.783) |
| BIS: motor subscale | 0.00008 ± 0.001 (0.895) |
OR = odds ratio; CI = confidence interval; B = beta; SE = standard error; MCQ = Monetary Choice Questionnaire; UPPS-P = UPPS-P Impulsive Behavior Scales; BIS = Barrett Impulsivity Scales. Continuous traits: Data presented are β ± SE (P). Binary traits: Data presented are OR [95% C.I.] (P). Data was adjusted for sex, age and site.