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. 2009 May;32(5):804-6.
doi: 10.2337/dc08-2111. Epub 2009 Feb 19.

Depressive symptoms and glycemic control in adolescents with type 1 diabetes: mediational role of blood glucose monitoring

Meghan E McGrady  1 , Lori Laffel, Dennis Drotar, David Repaske, Korey K Hood
Affiliations

Depressive symptoms and glycemic control in adolescents with type 1 diabetes: mediational role of blood glucose monitoring

Meghan E McGrady et al. Diabetes Care. 2009 May.

Abstract

Objective: To determine whether the association between depressive symptoms and glycemic control is mediated by blood glucose monitoring (BGM).

Research design and methods: A total of 276 adolescents with type 1 diabetes (mean age +/- SD, 15.6 +/- 1.4 years) completed a measure of depressive symptoms. Sociodemographic and family characteristics were obtained from caregivers. BGM frequency and glycemic control were obtained at a clinic visit.

Results: Separate regression analyses revealed that depressive symptoms were associated with lower BGM frequency (B = -0.03; P = 0.04) and higher A1C (B = 0.03; P = 0.05) and that lower BGM frequency was associated with higher A1C (B = -0.39; P < 0.001). With depressive symptoms and BGM frequency included together, only BGM frequency was associated with A1C and depressive symptoms became nonsignificant (B = 0.02; P = 0.19). The Sobel test was significant (Z = 1.96; P < 0.05) and showed that 38% of the depression-A1C link can be explained by BGM.

Conclusions: BGM is a mediator between depressive symptoms and glycemic control in adolescents with type 1 diabetes.

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