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Loprinzi PD, Brodowicz GR, Sengupta S, Solomon SD, Ramulu PY. Accelerometer-Assessed Physical Activity and Diabetic Retinopathy in the United States. JAMA Ophthalmol. 2014;132(8):1017–1019. doi:10.1001/jamaophthalmol.2014.402
Hemoglobin A1c (HbA1c) and blood pressure currently represent the only reversible risk factors associated with diabetic retinopathy.1 Physical activity (PA) is another potential modifiable risk factor for preventing diabetic ocular complications, although studies investigating this association have produced conflicting results.2 These studies have relied exclusively on self-report to quantify PA, which is prone to considerable error. Herein, we assess whether accelerometer-defined PA is associated with more advanced retinopathy independent of HbA1c level and blood pressure in a nationally representative sample of patients with diabetes mellitus.
Data from the 2005 to 2006 National Health and Nutrition Examination Survey were used. All study procedures were approved by the National Center for Health Statistics review board, and all participants provided written informed consent.
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