Rejection Sensitivity Among Adults with Comorbid Borderline Personality Disorder and Attention-Deficit/Hyperactivity Disorder
Öz
Background: Rejection sensitivity (RS)—anxious expectations of interpersonal rejection—is consistently elevated in borderline personality disorder (BPD), but evidence in attention-deficit/hyperactivity disorder (ADHD), particularly in adults, remains limited and mixed. We compared RS in adults with comorbid BPD and ADHD versus healthy controls and examined whether ADHD, depressive, and anxiety symptoms were independently associated with RS.
Methods: This cross-sectional case-control study included 84 adults: 40 with comorbid BPD and ADHD and 44 age- and sex-matched healthy controls. A psychiatrist established diagnoses using structured DSM-5 interviews. Participants completed the Rejection Sensitivity Questionnaire (RSQ), Adult ADHD Self-Report Scale (ASRS), Beck Depression Inventory, and Beck Anxiety Inventory. Group differences were examined with an adjusted general linear model, and hierarchical regression assessed the incremental contributions of anxiety, depressive, and ADHD symptoms beyond group status and sociodemographic variables
Results: RSQ scores were higher in the comorbid group than in controls (11.52 ± 3.77 vs. 8.33 ± 3.01; p < .001, d = 0.94), and this difference remained after adjustment for sociodemographic variables, F(1,79) = 27.25, p < .001, partial η² = .256. Group status and ASRS score were independently associated with RSQ score, whereas anxiety and depressive symptoms were not; ASRS score explained an additional 3.2% of variance.
Conclusions: [SA1.1][eC1.2]Adults with comorbid BPD and ADHD showed elevated rejection sensitivity, with ADHD symptom severity making a modest additional contribution beyond sociodemographic, anxiety, and depressive symptoms. RS may be clinically relevant in this population, but longitudinal studies are needed before causal or treatment implications can be drawn.
Anahtar Kelimeler
Borderline Personality Disorder, Attention Deficit Disorder with Hyperactivity, Rejection sensitivity, Comorbidity, Depression
Destekleyen Kurum
No dedicated financial support was received for this study from public, commercial, or not-for-profit funding bodies.
Etik Beyan
The research protocol received approval from the Bursa City Hospital Non-Interventional Clinical Research Ethics Committee (15.10.2025; Decision No: 2025-20/2). Before participation, all individuals were provided with information about the study procedures, confidentiality safeguards, and voluntary nature of participation, including their right to withdraw at any stage. After written informed consent had been obtained, participants completed the sociodemographic form and psychometric measures during face-to-face assessment.
Teşekkür
The authors would like to thank all staff members who contributed to the conduct of this study, especially the resident physicians of the Psychiatry Clinic at Bursa City Hospital. They also sincerely thank the medical students, social workers, and healthcare personnel who contributed to the formation of the control group.
Kaynakça
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