Table 1

Demographic and clinical characteristics of the study sample

CharacteristicGroup; mean ± SDStatistical testp value
BPD
n = 20
Control
n = 20
Age, yr25.95 ± 6.9426.90 ± 9.43t38 = 0.360.72
Education, yr11.75 ± 1.4512.40 ± 0.99t34 = −1.660.11
BSL-231.95 ± 0.570.27 ± 0.23t38 = −12.29< 0.001
EAQ2.53 ± 0.584.41 ± 0.85t33 = 8.16< 0.001
PANAS, pre*9.70 ± 8.162.15 ± 2.32F1,38 = 13.44< 0.001*
PANAS, post*7.05 ± 8.241.60 ± 3.17
  • BPD = borderline personality disorder; BSL = Borderline Symptom List; EAQ = Emotion Acceptance Questionnaire; PANAS = Positive and Negative Affect Schedule; SD = standard deviation.

  • * Comparison of groups over both times of assessment (main effect group). While the main effect of time was also significant (p = 0.047), the group × time interaction was not (p = 0.186).