Introduction: Type 1 diabetes mellitus (T1DM) is an autoimmune disorder that requires a lifelong treatment regimen which may affect psychosocial development.
Objective: To identify behavioural and emotional problems in children and adolescents with T1DM.
Methodology: A cross-sectional study using the Child Behaviour Check List (CBCL) was conducted among all T1DM patients receiving treatment at the Paediatric Endocrine Unit, Hospital Tunku Azizah Kuala Lumpur, Malaysia.