SEARCH for Diabetes in Youth (SEARCH) is an on-going, multi-center study containing the largest and most ethnically diverse population of youth with diabetes ever studied in the US. In response to RFA-DP10-001, Component B, the SEARCH Cohort Study will utilize this unique resource by continuing the study of selected SEARCH participants to address the following Aims: 1) assess the prevalence, incidence, and risk factors for selected markers of chronic microvascular (retinopathy, nephropathy, and autonomic neuropathy) and macrovascular complications (hypertension, arterial stiffness) of diabetes;2) assess the incidence and risk factors for acute complications of diabetes including serious hypoglycemia and diabetic ketoacidosis;3) conduct surveillance of mortality;and 4) determine the degree to which barriers of care, quality of care, and transition to adult care impact diabetes-related health outcomes including quality of life. Overlaid across these Aims, we will focus on the impact of race/ethnicity and other socio-cultural factors, and biochemical dimensions of diabetes type, on diabetes-related health outcomes. The SEARCH Cohort Study will conduct an in-person research study visit on SEARCH participants incident in 2002 or later, with duration of diabetes >5 years and with baseline data completed (expected n=3699). During this study medical history, anthropometric, biochemical, physiologic, and survey data will be collected and analyzed. In collaboration with the other SEARCH clinical centers, the Ohio site will collect the data described in this proposal from all eligible cases. We expect approximately 646 Ohio subjects will be eligible to participate. For Incident 2002-2005 cases, 85% of the Ohio participants have returned for at least one follow-up visit, which is the highest study-wide response rate. The Ohio team also has the highest rate for completeness of laboratory core samples. For Incident 2006 cases, Ohio had 99% completeness, and 100% completeness for Incident 2008 cases. In this proposal the Ohio site will employ the same approach and techniques used in SEARCH 1 and 2 to maintain high subject retention rates. Thus, the Ohio site has a very high likelihood of meeting the recruitment goals in this proposal contributing significantly to the success of the SEARCH Cohort Study. This study will exploit the size and ethnic diversity of the study population to identify differences in both processes of care and health outcomes by traditional, clinical diabetes type;by the major race/ethnic groups in the US;and by employing a novel approach to segregate traditional clinical diabetes types by pathophysiologic dimensions. Thus, the SEARCH cohort study has a high likelihood of making a significant impact on the clinical care of youth with diabetes from all the major ethnic groups in the US and on national public health policy.
The SEARCH Cohort Study will provide important, new information regarding the frequency of acute and chronic complications of diabetes and the degree to which barriers to health care, the type and quality of health care, and moving from a pediatric to adult health care provider impact diabetes-related health outcomes. Since these data will be collected in the largest, most ethnically diverse population of youth with diabetes that is also representative of the ethnic diversity of the US, the SEARCH Cohort Study has a high likelihood of making a significant impact on the clinical care of youth with diabetes from all the major ethnic groups in the US and on national public health policy.
|Li, Chao; D'Agostino Jr, Ralph B; Dabelea, Dana et al. (2018) Longitudinal association between eating frequency and hemoglobin A1c and serum lipids in diabetes in the SEARCH for Diabetes in Youth study. Pediatr Diabetes :|
|Kahkoska, Anna R; Isom, Scott; Divers, Jasmin et al. (2018) The early natural history of albuminuria in young adults with youth-onset type 1 and type 2 diabetes. J Diabetes Complications 32:1160-1168|
|Costacou, Tina; Crandell, Jamie; Kahkoska, Anna R et al. (2018) Dietary Patterns Over Time and Microalbuminuria in Youth and Young Adults With Type 1 Diabetes: The SEARCH Nutrition Ancillary Study. Diabetes Care 41:1615-1622|
|Jaiswal, Mamta; Divers, Jasmin; Urbina, Elaine M et al. (2018) Cardiovascular autonomic neuropathy in adolescents and young adults with type 1 and type 2 diabetes: The SEARCH for Diabetes in Youth Cohort Study. Pediatr Diabetes 19:680-689|
|Reynolds, Kristi; Saydah, Sharon H; Isom, Scott et al. (2018) Mortality in youth-onset type 1 and type 2 diabetes: The SEARCH for Diabetes in Youth study. J Diabetes Complications 32:545-549|
|Liese, Angela D; Ma, Xiaonan; Ma, Xiaoguang et al. (2018) Dietary quality and markers of inflammation: No association in youth with type 1 diabetes. J Diabetes Complications 32:179-184|
|Kahkoska, Anna R; Shay, Christina M; Couch, Sarah C et al. (2018) Sociodemographic associations of longitudinal adiposity in youth with type 1 diabetes. Pediatr Diabetes 19:1429-1440|
|Mendoza, Jason A; Haaland, Wren; D'Agostino, Ralph B et al. (2018) Food insecurity is associated with high risk glycemic control and higher health care utilization among youth and young adults with type 1 diabetes. Diabetes Res Clin Pract 138:128-137|
|Kahkoska, Anna R; Shay, Christina M; Crandell, Jamie et al. (2018) Association of Race and Ethnicity With Glycemic Control and Hemoglobin A1c Levels in Youth With Type 1 Diabetes. JAMA Netw Open 1:|
|Pinto, Cathy A; Stafford, Jeanette M; Wang, Tongtong et al. (2018) Changes in diabetes medication regimens and glycemic control in adolescents and young adults with youth-onset type 2 diabetes: The SEARCH for diabetes in youth study. Pediatr Diabetes :|
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