Mental health comorbidity is common in children with type 2 diabetes

Background: to describe the prevalence of mental health comorbidity in children with type 2 diabetes compared to a matched population without diabetes and children with type 1 diabetes. Methods: Population-based cohorts of 528 youth (7–18 years of age) with prevalent type 2 diabetes, 1519 matched children without diabetes and 778 youth with type 1 diabetes were identified from a clinical registry and linked to health care records to assess the prevalence of mental health comorbidity using ICD-9CM, ICD-10CA and ATC codes. Findings: Compared to their matched peers, children with type 2 diabetes where more likely to have a mood or anxiety disorder before and after diagnosis [RR 2‧38 (1‧63, 3‧48) p