Fact Sheet : Type 1 Diabetes Mellitus in Children and Adolescents

Type 1 diabetes mellitus (T1D) is a lifelong autoimmune disorder of glucose metabolism that destroys insulin-producing beta cells in the pancreas. Effective treatment requires insulin replacement via multiple daily injections (MDI) or an insulin pump, blood glucose monitoring, regulated carbohydrate intake and exercise, and active prevention or correction of abnormally high or low blood glucose levels. 

Prevalence and Course

T1D affects about 1 in 500 U.S. children. The key factors that impact T1D outcomes include adequate T1D knowledge and self-management, a supportive and organized family environment, and effective T1D-related communication and problem-solving. It is known that the more time someone with T1D spends in a normal blood glucose range (i.e., 90-130 mg/dl before meals), the lower his/her risk is for both the onset and progression of long-term T1D-related complications. 

Health and Psychosocial Consequences

Managing diabetes requires the child and parents to share responsibility and collaborate effectively on daily tasks. Youth with T1D are at elevated risk of depression, anxiety, disordered eating, and T1D-related distress. Youth are also at risk for harmful neurocognitive effects due to prolonged exposure to hyperglycemia or severe hypoglycemia. Youth with T1D who are suicidal could use insulin to intentionally induce hypoglycemia and harm themselves, warranting a more nuanced risk assessment for at risk youth. 

Evidence-based Assessment

It is important to assess adherence and self-management behaviors (e.g., blood glucose monitoring, insulin dosing, diet/physical activity patterns) in addition to youth and parent psychosocial outcomes including family conflict/functioning, depression, anxiety, quality of life, peer relationships/school functioning and disease-specific outcomes (e.g., fear of hypoglycemia, risk-taking behaviors, disordered eating behaviors, distress). Diabetes care is best provided via a multidisciplinary team who can target the medical needs and the mental health of youth and their parents through initial screenings, ongoing assessment, and treatment.

Culture, Diversity, Demographic and Developmental Factors

Adolescents, racial/ethnic minorities, recent immigrants, economically disadvantaged families and single parents often struggle with T1D management leading to poorer T1D outcomes. Research also shows that there are racial and genetic differences in blood sugar metabolism. Specifically, research shows that glycated hemoglobin (HbA1c) levels in Black/African-American individuals may overestimate blood glucose concentrations by as much as 0.4% when compared to White peers. While the prevalence of T1D is highest in Non-Hispanic White youth, the incidence of T1D is increasing among Hispanic youth in the U.S. As youth enter adolescence and begin to take on more responsibility for T1D management, they may require more education and parent assistance to keep up with their T1D self-care. Adolescents transferring to adult T1D providers can benefit form support and resources to make a successful transfer. 

Evidence-based Interventions

There have been rigorous randomized controlled trials of psychological interventions targeting youth coping skills and family-focused interventions targeting parent-youth teamwork, T1D-related communication, problem solving, and conflict resolution. Most of these trials have yielded stronger treatment effects on behavioral outcomes than on metabolic outcomes. More recently, several digital health interventions have shown preliminary efficacy, including studies employing video-based telehealth, mHealth, and web-based interventions. 


Please see the SPP Diabetes SIG Resource Bank at: https://societyofpediatricpsychology.org/diabetes

Authors: SPP Diabetes SIG Dissemination Committee: Jackie Papadakis, PhD, Aubrey Carpenter, PhD, and Jessica Parrish, PhD

Date of last update: December 2019


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