Psychometric properties of the Level of Personality Functioning Scale- Brief Form 2.0 (LPFS-BF 2.0) in women with attention-deficit/hyperactivity disorder.

BACKGROUND: Women with attention-deficit/hyperactivity disorder (ADHD) are also often diagnosed with personality disorders, yet research on reliable and valid assessments of personality pathology in this population has been limited. METHODS: In this study, the psychometric properties of the Level of Personality Functioning Scale- Brief Form - 2.0 (LPFS-BF 2.0) were examined in a sample of 171 adult women with ADHD. RESULTS: A two-factor structure was identified, with one factor, LPF-self, comprised of six items, reflecting impairment in self functioning; the second factor, LPF-interpersonal, comprised of six items, reflecting impairment in interpersonal functioning. LPFS-BF 2.0 factors contributed unique variance to functional impairment beyond the effects of co-occurring depression, anxiety, and ADHD. CONCLUSIONS: These findings suggest the LPFS-BF 2.0 may be important to include in clinical care for women with ADHD, to identify those women with ADHD who may require adjunctive intervention for personality pathology.