Objective: Type 1 diabetes (T1D) is one of the most common pediatric chronic illnesses and increasing worldwide in prevalence. Physical activity has been positively linked with better glycemic control in youth with T1D. Although not yet studied, children's social self-efficacy may be a parameter related to physical activity in youth with diabetes. The current study investigated associations among social self-efficacy, physical activity, diabetes quality of life, and hemoglobin A1c (HbA1c) among youth with T1D utilizing mediation and serial mediation models.
Research Design And Methods: Participants were 144 youth (M age = 14.95) with T1D (53.5% girls) and their caregivers. Youth completed the PedsQL Diabetes Module, the Physical Activity Questionnaire for Older Children and Adolescents and the Self-Efficacy Questionnaire for Social Skills for Children. Youths' HbA1c values were also measured.
Results: Physical activity significantly mediated the relationship between greater youth social self-efficacy and better diabetes quality of life. Diabetes quality of life mediated the relationship between greater physical activity and lower HbA1c. The serial mediation model demonstrated greater social self-efficacy is related to greater physical activity, which in turn is related to better diabetes quality of life and ultimately resulting in lower HbA1c.
Conclusions: Physical activity, social self-efficacy, and diabetes-related quality of life may be modifiable factors related to HbA1c for youth with T1D. Findings indicate a need for healthcare providers to consider youth physical activity, quality of life, and social self-efficacy when evaluating and intervening in youth diabetes treatment adherence.
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