The investigators have identified a support group on social media with \~1500 members (children and adults), the majority of whom have T1DM and follow a carbohydrate-restricted diet. Many participants report exceptionally low HbA1C and insulin requirements. If these anecdotal reports are reflective of a large group of people with type 1 diabetes, a clinical trial would be warranted. The investigators propose to survey the above-mentioned group and their professional diabetes care providers to characterize glycemic control and explore associated dietary and diabetes care factors.
The surveys will address questions in the following domains: 1) Diabetes diagnosis and treatment; 2) Carbohydrate-restricted diet; 3) Insulin regimen; 4) Other diabetes related care; 5) Diabetes complications; 6) Other related health and healthcare; 7) Patient provider interactions; 8) Socio-demographics. Drafts of these surveys are included in the appendix of this protocol.
Study Type
OBSERVATIONAL
Enrollment
340
Boston Children's Hospital
Boston, Massachusetts, United States
Hemoglobin A1C
self reported, confirmed by professional diabetes care provider if possible
Time frame: within 3 month of taking the survey
total daily insulin dose
self reported, confirmed by professional diabetes care provider if possible
Time frame: within 3 month of taking the survey
total daily dietary carbohydrate
self reported
Time frame: within 3 month of taking the survey
diabetes-related complication rates - diabetic ketoacidosis, hypoglycemia
Time frame: timeframe since staring low carb diet (at least three months)
BMI
self reported, confirmed by professional diabetes care provider if possible
Time frame: within 3 month of taking the survey
change in HbA1C
self reported, confirmed by professional diabetes care provider if possible
Time frame: current (within three months of taking the survey) - baseline (last available pre-carbohydrate-restricted diet)
patient-physician relationship
self reported, complemented by professional diabetes care provider if possible
Time frame: within 3 month of taking the survey
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