Table 2.
Differences in Alcohol Use Patterns, Drinking Motives, Affective Instability, and Impulsivity Among BPD and Non-BPD Participants
| Variable | Non-BPD group | BPD group | ANOVA | |
|---|---|---|---|---|
| M (SD) | M (SD) | F (df1, df2) | P | |
| BPD symptom count | 0.88 (0.71) | 5.82 (0.97) | F (1, 79) = 649.22 | <.001 |
| Drinking motives | ||||
| Sociability | 3.16 (0.54) | 3.11 (0.60) | F (1, 77) = 0.16 | .69 |
| Coping | 1.99 (0.57) | 2.52 (0.72) | F (1, 77) = 13.28 | <.001 |
| Enhancement | 2.70 (0.63) | 2.78 (0.66) | F (1, 77) = 0.36 | .55 |
| Conformity | 1.45 (0.50) | 1.78 (0.68) | F (1, 77) = 6.09 | .02 |
| Affective instability | 1.96 (0.54) | 2.92 (0.93) | F (1, 77) = 64.23 | <.001 |
| Number of different alcohol-related problems over the past year | 6.42 (4.36) | 11.95 (5.99) | F (1, 77) = 22.26 | <.001 |
| Number of drinks on a typical drinking day over the past year | 7.21 (1.40) | 7.29 (1.41) | F (1, 71) = 0.001 | .98 |
| Number of drinking days in the past month | 10.0 (6.53) | 11.24 (7.13) | F (1, 77) = 0.65 | .42 |
| UPPS | ||||
| Negative urgency | 1.93 (0.59) | 2.79 (0.72) | F (1, 79) = 35.15 | <.001 |
| Lack of premeditation | 1.81 (0.49) | 1.94 (0.49) | F (1, 79) = 1.28 | .26 |
| Lack of perseverance | 1.74 (0.51) | 2.18 (0.65) | F (1, 79) = 11.22 | .001 |
| Sensation seeking | 2.84 (0.68) | 2.62 (0.72) | F (1, 79) = 1.97 | .16 |
| Positive urgency | 1.55 (0.53) | 2.14 (0.76) | F (1, 79) = 16.91 | <.001 |
Note. BPD = borderline personality disorder; ANOVA = analysis of variance; UPPS = Urgency, Premeditation (lack of), Perseverance (lack of), Sensation Seeking, Positive Urgency, Impulsive Behavior Scale (UPPS-P).