NHANES National Youth Fitness Survey (NNYFS) Restricted Data

The <b>National Health and Nutrition Examination Survey’s</b> (NHANES) <b>National Youth Fitness Survey</b> (NNYFS) was conducted in 2012 to collect nationally representative data on physical activity and fitness levels for U.S. children and adolescents aged 3-15 years, through household interviews and fitness tests conducted in mobile examination centers. <br> The NNYFS interview includes demographic, socioeconomic, dietary, and health-related questions. The fitness tests included standardized measurements of core, upper, and lower body muscle strength, and gross motor skills, as well as a measurement of cardiovascular fitness by walking and running on a treadmill. A total of 1,640 children and adolescents aged 3-15 were interviewed and 1,576 were examined. <br> This set of restricted data files contains indirect identifying and/or sensitive information collected in NNYFS. For NNYFS public use files, please visit <a href="https://wwwn.cdc.gov/nchs/nhanes/search/nnyfs12.aspx">NNYFS 2012 at: https://wwwn.cdc.gov/nchs/nhanes/search/nnyfs12.aspx.</a> For more information on the survey design, implementation, and data analysis, see the <a href="https://www.cdc.gov/nchs/nnyfs/analytic_guidelines.htm"> NNYFS Analytic Guidelines at: https://www.cdc.gov/nchs/nnyfs/analytic_guidelines.htm.</a> For more information on NHANES, visit the <a href="https://www.cdc.gov/nchs/nhanes/index.htm"> NHANES - National Health and Nutrition Examination Survey Homepage at: https://www.cdc.gov/nchs/nhanes/index.htm.</a>