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Table 1 Descriptive statistics, univariate F tests, effect size estimates, and Bonferroni contrasts for the UPPS-P scales and difficulties in emotion regulation scale total score in the high BPD group (n = 29), average BPD group (n = 31), and low BPD group (n = 31)

From: Impulsivity dimensions, emotion dysregulation, and borderline personality disorder features among Italian nonclinical adolescents

  High BPD group Average BPD group Low BPD group  
(n = 29) (n = 31) (n = 31)
UPPS-P scales1 M SD M SD M SD F η 2
Negative Urgency 34.18* 6.50 28.35 5.63 22.57 5.74 19.10***a .38
Lack of Premeditation 24.29 6.28 23.46 5.49 22.83 5.86 0.31a .01
Lack of Perseverance 23.18 4.71 22.50 5.10 21.39 4.94 0.68a .02
Sensation Seeking 33.94 6.98 30.65 7.64 27.09 7.12 4.38a .12
Positive Urgency 39.71* 6.73 30.65 7.49 23.04 6.04 29.22***a .48
DERS Total Score 114.36* 21.53 93.20 14.24 77.30 13.70 35.60***a .46
DERS Total Score (age-adjusted) 113.42 16.50 93.79 16.41 77.58 16.37 34.27***b .45
  1. Note. DERS Difficulties in Emotion Regulation Scale, BPD Borderline Personality Disorder.
  2. 1One-way MANOVA Pillai V = .50, p < .001. aF (2, 88) tests based on one-way ANOVAs. bF (2, 87) test based on one-way ANCOVA.
  3. *High BPD group mean score significantly different (i.e., p < .0083) from both control groups mean scores in Dunn-Bonferroni contrasts. Effect size estimates for Dunn-Bonferroni contrasts: 1. Negative Urgency, High BPD vs. Low BPD: t = 9.03, p < .001, d = 2.33; High BPB vs. Average BPD: t = 3.82, p < .001, d = 0.99. 2. Positive Urgency, High BPD vs. Low BPD: t = 9.03, p < .001, d = 2.33; High BPB vs. Average BPD: t = 4.83, p < .001, d = 1.25. 3. DERS total score, High BPD vs. Low BPD: t = 8.42, p < .001, d = 2.18; High BPB vs. Average BPD: t = 4.81, p < .001, d = 1.24.
  4. ***p < .001.