American youths are becoming increasingly less physically active and have poor nutrition habits. Nationwide, less than one third of students reported achieving the recommended level of physical activity (one hour of exercise per day). In addition, most youths consume less than the recommended daily amounts of vegetables, fruits, and whole grains.…

This manual provides guidance and documentation for users of the longitudinal kindergarten-second grade (K-2) data file of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011). It mainly provides information specific to the second-grade rounds of data collection. Users should refer to the "Early Childhood…

This manual provides guidance and documentation for users of the longitudinal kindergarten-fourth grade (K-4) public-use data file of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011), which includes the first release of the public version of the third-grade data. This manual mainly provides information specific…

This report summarizes analyses of 2007-2008 Austin Independent School District students' academic performance on the state-mandated test to their performance on a fitness assessment.

Age and sex distributions of weight by single inches of height for adults 18-74 years of age in the civilian noninstitutionalized population of the United States are given for the period 1971-1974. Discussion is made concerning the comparison of the results of this survey with those of previous surveys. (LH)

Data from nearly 30,000 pregnant and third decade (20-29 years) mothers show that small infant size among teenage mothers is consistent with the mother's size and not directly related to early age at conception. Third decade mothers of comparable size give birth to infants with essentially the same characteristics and problems. (Author/GC)

This report is the second in a series of reports presenting analyses and discussion of data on body measurements performed in Cycle III of the Health Examination Survey. The method employed for the study, which involved physical examinations of youths at mobile examination centers at 40 preselected locations throughout the country, is described in…

"Nutrition Counts," the pediatric portion of the Massachusetts Department of Public Health's (MDPH) Nutrition Surveillance System, monitors and describes aspects of nutritional status among groups of young children in the state. This report presents cross-sectional data describing 5,176 infants and young children in Massachusetts. Of…

The fifth in a series of reports presenting analyses and discussions of data on height, weight, and 28 other body measurements taken from a probability sample of noninstitutionalized children in the United States aged 6-11 years, this document compares the growth patterns of white and Negro children for 20 body measurements. Emphasis is placed on…

It should now be recognized that every child has at least five parallel ages: A "chronological" age, in years, months, and days: a "physiological" age, indicative of physical growth and maturity; a "mental" age, significant of intellectual capacity and ability; a "school standing," or "pedagogical"…