Hemoglobin A1c,frequency of glucose testing and social disadvantage: Metrics of racial health disparity in youth with type 1 diabetes |
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Authors: | Stuart Chalew Ricardo Gomez Alfonso Vargas Jodi Kamps Brittney Jurgen Richard Scribner James Hempe |
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Affiliation: | 1. Division of Endocrinology and Diabetes, Children''s Hospital of New Orleans and The Louisiana State University Health Sciences Center, 200 Henry Clay Ave, New Orleans, LA 70118, USA;2. Research Institute for Children, Children''s Hospital of New Orleans and The Louisiana State University Health Sciences Center, 200 Henry Clay Ave, New Orleans, LA 70118, USA;3. Department of Psychology, Children''s Hospital of New Orleans, 200 Henry Clay Ave, New Orleans, LA 70118, USA;4. School of Public Health, The Louisiana State University Health Sciences Center, 433 Bolivar St, New Orleans, LA 70112, USA |
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Abstract: | IntroductionBlack youth with type 1 diabetes (T1D) have higher HbA1c than whites. To understand HbA1c differences, we examined the relationship of psycho-social factors and glucose testing with HbA1c.MethodsGlucose tests per day (BGs/d) and mean blood glucose (MBG) were calculated from meter data of youth self-identified as black (n?=?33) or white (n?=?53) with T1D. HbA1c, family income, insurance status, concentrated disadvantage (CDI), psychological depression (DSC), mother educational attainment (MEA), and insulin delivery method (IDM) data was were analyzed.ResultsBlack patients had significantly higher HbA1c, MBG and disadvantage measures compared to whites. BGs/d correlated with HbA1c, MBG, age and CDI. Race (p?0.0158), age (p?0.0001) and IDM (p?0.0036) accounted for 50% of the variability (R2?=?0.5, p?0.0001) in BGs/d. Regardless of age, black patients had lower BGs/d than whites. MBG (p?0.0001) and BGs/d (p?0.0001) accounted for 61% of the variance in HbA1c (p?0.0001).ConclusionsBGs/d is easily assessed and closely associated with HbA1c racial disparity. BGs/d is intricately linked with greater social disadvantage. Innovative management approaches are needed to overcome obstacles to optimal outcomes. |
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Keywords: | IDM insulin delivery method BGS/d home blood glucose tests performed per day SMBG self-monitored blood glucose MEA maternal educational attainment CDI concentrated disadvantage index DSC Depression Scale for Children T1D type 1 diabetes MBG mean blood glucose HbA1c hemoglobin A1c Frequency of glucose testing HbA1c Children Type 1 diabetes Racial disparity Home glucose monitoring |
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