Research groups
Delfina Bilello
PhD, MSc, BSc (Hons)
Postdoctoral Researcher
I am a postdoctoral researcher working with Dr. Jack Andrews on a project investigating peer social networks and mental health outcomes among adolescents. My research interests include understanding the role of friendships in shaping young people’s mental health, with a particular interest on self-harm and social processes of help-seeking and support provision. In my current work, I aim to use large-scale datasets, longitudinal modelling techniques, and social network analysis to examine the trajectories and impact of peer relationships on a range of mental health outcomes.
Prior to my current role, I completed an ESRC-funded PhD at the Institute for Mental Health, University of Birmingham. My doctoral research employed a mixed-methods approach to explore friendships, peer relationships, and self-harm among young people, integrating qualitative methods and longitudinal social network analysis techniques. I also hold an MSc in the Psychology of Childhood Adversity and a BSc in Psychology from Queen’s University Belfast.
Key publications
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“People in my life just play different roles”: A retrospective qualitative study of friendships among young adults who self-harmed during adolescence
Journal article
Bilello D. et al, (2025), PLOS One, 20, e0320206 - e0320206
Recent publications
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“People in my life just play different roles”: A retrospective qualitative study of friendships among young adults who self-harmed during adolescence
Journal article
Bilello D. et al, (2025), PLOS One, 20, e0320206 - e0320206
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Friendships and peer relationships and self-harm ideation and behaviour among young people: a systematic review and narrative synthesis.
Journal article
Bilello D. et al, (2024), Lancet Psychiatry, 11, 633 - 657
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A systematic review and narrative synthesis exploring the relationship between friendships and peer relationships, and self-harm ideation and behaviour among young people
Preprint
Bilello D. et al, (2024)
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Friendship and self-harm: A retrospective qualitative study of young adults’ experiences of supporting a friend who self-harmed during adolescence
Preprint
Bilello D. et al, (2023)
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Friendship and self-harm: a retrospective qualitative study of young adults' experiences of supporting a friend who self-harmed during adolescence.
Journal article
Bilello D. et al, (2023), Front Psychol, 14