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Home > "S" Clinical Trials Conditions > Study of Children's Activity and Nutrition (SCAN)  Study of Children's Activity and Nutrition (SCAN)
Study of Children's Activity and Nutrition (SCAN)
For Condition: Cardiovascular Diseases,Coronary Disease,Coronary Heart Disease Risk Reduction,Hypertension,Obesity,Heart Diseases,Hypercholesterolemia
Status: Completed
Sponsor(s): National Heart, Lung, and Blood Institute (NHLBI) ,
Synopsis: In the first study, to identify children at high and low risk for cardiovascular disease and study their nutritional and physical activity behaviors as they relate to cardiovascular disease. In the second study, to make yearly assessments over a four year period of diet and physical activity among children and their parents. The initial effort redefined and retested methods to collect data on dietary intake and activity levels of young children.
Details: BACKGROUND: In the past several decades, relationships between various lifestyle behaviors and the development of cardiovascular risk factors have been identified. Nutritional status/eating behaviors and physical activity patterns both directly and indirectly are related to the development of coronary heart disease. For example, obesity, which may be a result of both eating and physical activity behaviors, greatly increases the risk of hypertension, hyperlipidemia, and diabetes mellitus, placing the individuals at greater risk for coronary heart disease. Dietary factors such as composition in fatty acids and cholesterol, composition in vegetable protein and complex carbohydrates, caloric excess and a high intake of salt also are related to the development of risk of coronary heart disease. Physical activity in adults has also been correlated with coronary heart disease. Epidemiological research has demonstrated that increased physical activity is associated with reduced risk of myocardial infarctions. Regular physical exercise has been shown to have beneficial effects on relative weight and obesity and may act indirectly to beneficially affect hypertension, hypertriglyceridemia and glucose intolerance and raise HDL cholesterol levels. However, in 1985 when SCAN was initiated, little information was available concerning the development of nutritional status/eating behaviors and routine physical activity patterns in children. Various psychosocial factors have been associated with increased risk of coronary heart disease. Among these factors are behavioral characteristics such as type A behaviors and coping styles to stressors. However, relatively little was known in 1985 concerning the development of such characteristics in children and when these characteristics became associated with risk of cardiovascular disease. SCAN initiated on the recommendations of the Preventive Cardiology Branch Task Force Group in the Five Year Forward Plan 1982-1987, the Conference on School Health Education Research in the Heart, Lung, and Blood Areas, and the Clinical Applications and Prevention Advisory Committee of the National Heart, Lung, and Blood Institute. A Request for Applications was released in October 1984. In 1985, six grants were awarded as part of the Study of Children's Activity and Nutrition (SCAN). DESIGN NARRATIVE: There were six projects supported by the SCAN program. They did not follow a common protocol but were basically similar. Medical College of Georgia: Five hundred and one Black and white children were followed over a four year period for food intake behavior, physical activity and fitness, anthropometric measurements, blood lipids and lipoproteins, heart rate and blood pressure, and psychologic characteristics associated with coronary heart disease. West Virginia University: Two hundred and eight predominantly white children of adults followed since adolescence in the Bourbon County Study were members of this cohort. Children participated in cardiovascular fitness tests, and underwent blood pressure measurements, and serum lipid determinations. The effects of television-viewing, child-rearing patterns, exercise, and nutrition-related knowledge and attitudes were assessed over a four year period. Columbia University: Seven hundred and ninety-four primarily Hispanic children and their parents were followed for four years to determine the extent to which diet and physical activity predict coronary heart disease risk. Cross sectional and longitudinal analyses were performed. Georgetown University: Five hundred and seventy Black children were followed for the influence of the risk status of an older sibling and day care versus home care on nutrient intake and physical activity. Eating events were videotaped, activity levels were recorded, and measurements were obtained on height, weight, cholesterol, blood pressure, and skinfold thickness. Dietary recalls and nutrition knowledge surveys were obtained. University of Massachusetts: In the Framingham Children's Study, one hundred children who were direct descendents of Framingham Heart Study participants were followed for four years. Measurements included height, weight, skinfold thickness, lipid profiles, heart rate and activity monitoring, and assessment of dietary intake four times per year. Memphis State University: Six hundred and sixty-three children and their parents were assessed for food intake, physical activity, and parent-child interactions related to food intake and exercise. Anthropometric and cardiovascular data were also collected every four months for four years. Two of the studies were renewed in FY 1992 and again in FY 1996. See the Framingham Children's Study and the Children's Activity and Nutrition III.
Eligibility:
Study Type: Observational, Natural History
Minimum Age/Maximum Age: /
Genders: Male
Protocol Entry Criteria: No eligibility criteria
Total Enrollment:
Location and Contact Information:
Overall Study Official:
R.Ellison, ,
Additional Information:
Study ID Numbers: 1056;
Study Start Date: September 1985
Record last reviewed: December 2000
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00005178
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Study of Children's Activity and Nutrition (SCAN)
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