A photo of Claire M. Peterson.

Claire M. Aarnio-Peterson, PhD

  • Pediatric Psychologist, Behavioral Medicine and Clinical Psychology
  • Assistant Professor, UC Department of Pediatrics



Claire M. Aarnio-Peterson, PhD, is an assistant professor in Behavioral Medicine and Clinical Psychology at Cincinnati Children's Hospital Medical Center within the University of Cincinnati College of Medicine, Department of Pediatrics. She is currently a clinical psychologist within the multi-disciplinary eating disorders team. She specializes in the assessment and evidence-based treatment of eating disorders including family-based therapy (FBT) for anorexia nervosa. She is also trained in DBT and has recently piloted a DBT skills group. Her research interests include personality traits, self-harm, and eating disorders, the treatment of eating disorders within the context of chronic illness (e.g., type 1 diabetes), eating disorders within the transgender population, and evaluating treatment interventions to improve outcomes in adolescents with eating disorders.

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Higher admission and rapid readmission rates among medically hospitalized youth with anorexia nervosa/atypical anorexia nervosa during COVID-19. Matthews, A; Kramer, RA; Peterson, CM; Mitan, L. Eating Behaviors. 2021; 43.

Modifiable factors associated with mental health symptoms in siblings of adolescents with anorexia nervosa. Matthews, A; Peterson, CM; Lenz, K; Kramer, RA; Mara, C; Copps, E; Mitan, L. Eating and Weight Disorders. 2021; 26:1757-1765.

The relationship of the UPPS model of impulsivity on bulimic symptoms and non-suicidal self-injury in transgender youth. Peterson, CM; Mara, CA; Conard, LA E; Grossoehme, D. Eating Behaviors. 2020; 39.

Exploring the Eating Disorder Examination Questionnaire in treatment seeking transgender youth. Peterson, CM; Toland, MD; Matthews, A; Mathews, S; Thompson, F; Conard, LA E. Psychology of Sexual Orientation and Gender Diversity. 2020; 7:304-315.

Dialectical behavioral therapy skills group as an adjunct to family-based therapy in adolescents with restrictive eating disorders. Peterson, CM; Van Diest, AM K; Mara, CA; Matthews, A. Eating Disorders. 2020; 28:67-79.

Adolescent males with atypical anorexia nervosa and premorbid obesity: three case reports. Matthews, A; Peterson, CM; Mitan, L. Eating and Weight Disorders. 2019; 24:963-967.

Disordered Eating Behaviors in Youth and Young Adults With Type 1 or Type 2 Diabetes Receiving Insulin Therapy: The SEARCH for Diabetes in Youth Study. Nip, AS Y; Reboussin, BA; Dabelea, D; Bellatorre, A; Mayer-Davis, EJ; Kahkoska, AR; Lawrence, JM; Peterson, CM; Dolan, L; Pihoker, C. Diabetes Care. 2019; 42:859-866.

An intensive family-based treatment guided intervention for medically hospitalized youth with anorexia nervosa: Parental self-efficacy and weight-related outcomes. Matthews, A; Peterson, CM; Peugh, J; Mitan, L. European Eating Disorders Review. 2019; 27:67-75.

Emotional maltreatment in family of origin and young adult romantic relationship satisfaction. Peterson, CM; Peugh, J; Loucks, L; Shaffer, A. Journal of Social and Personal Relationships. 2018; 35:872-888.

Caregiver burden and illness perceptions in caregivers of medically hospitalized youth with anorexia nervosa. Matthews, A; Lenz, KR; Peugh, J; Copps, EC; Peterson, CM. Eating Behaviors. 2018; 29:14-18.

From the Blog

High Rates of Suicide and Self-Harm Among Transgender Youth
Mind Brain Behavior

High Rates of Suicide and Self-Harm Among Transgender Youth

Claire M. Aarnio-Peterson, PhD6/29/2019

Transgender Youth and Suicide: A Call for Education and Understanding
BlogChild Development and Behavior

Transgender Youth and Suicide: A Call for Education and Understanding

By Claire Peterson, PhD9/16/2016

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