Purpose: To estimate temporal trends in broad jump performance for United States youth, a marker of muscular fitness and health. Method: Electronic databases, topical systematic reviews, and personal libraries were systematically searched for studies reporting descriptive standing broad jump data for apparently healthy United States youth (age…

Background: Urban and rural areas have been experiencing major demographic and structural changes, characterized by an aging population in rural areas and a growth of cities in number and size. However, it is poorly researched how children's physical activity and screen time developed in urban and rural areas. To address this deficit, we…

Among all children under 18 years in the U.S., 43 percent live in low-income families and 21 percent--approximately one in five--lives in a poor family. This means that children are overrepresented among our nation's poor; they represent 23 percent of the population but comprise 33 percent of all people in poverty. Many more children live in…

Race-specific time trends in Autism Spectrum Disorder prevalence are tracked among 3-5 year-olds and 8 year-olds identified by the U.S. Individuals with Disabilities Education Act (IDEA) and the Autism and Developmental Disabilities Monitoring (ADDM) Network, respectively. White ASD prevalence historically has been higher than other racial groups…

Early studies examining seasonal variation in academic achievement inequality generally concluded that socioeconomic test score gaps grew more over the summer than the school year, suggesting schools served as "equalizers." In this study, we analyze seasonal trends in socioeconomic status (SES) and racial/ethnic test score gaps using…

The 34th edition of the Annie E. Casey Foundation's KIDS COUNT® Data Book describes how the country's lack of affordable and accessible child care negatively affects children, families and U.S. businesses. This year's publication continues to present national and state data across four domains--economic well-being, education, health and family and…

This Report Card presents an overview of inequalities in child well-being in 41 countries of the European Union (EU) and the Organisation for Economic Co-operation and Development (OECD). It focuses on 'bottom-end inequality' -- the gap between children at the bottom and those in the middle -- and addresses the question 'how far behind are…

Objectives: This report shows trends and group differences in current marital status, with a focus on first marriages among women and men aged 15-44 years in the United States. Trends and group differences in the timing and duration of first marriages are also discussed. These data are based on the 2006-2010 National Survey of Family Growth…

Despite substantial progress over the last two decades, girls still have on average lower levels of educational attainment than boys in West and Central Africa. This is in part because many girls in the region are married while still children, often before they may be physically and emotionally ready to become wives and mothers. Educating girls…

This study explores the trajectory of suicidal ideation in childhood and adolescence and identifies its strong predictors. Secondary data obtained from two nationally representative cohorts of South Korean youth were longitudinally analyzed using frequencies, percentages, and discrete time survival analysis. This study revealed an increase in the…

Young children experience various types of early care and education environments the year before they enter kindergarten. Some children attend center-based arrangements such as preschools, childcare centers, or Head Start programs, while others are cared for in relatives' or nonrelatives' homes or are normally cared for only by their parents.…

Using group-based trajectory modeling, this study examined 5156 adolescents from the child sample of the 1979 National Longitudinal Survey of Youth to identify developmental trajectories of obesity from ages 6-18 and evaluate associations of such trajectories with risk behaviors and psychosocial health in adolescence. Four distinctive obesity…

The purpose of this study was to examine the physical activity patterns of children with Down syndrome. A cross-sectional approach and accelerometry were used to measure the time children with Down syndrome (N = 104) spent in sedentary, light, and moderate-to-vigorous physical activity. Results indicated that adolescents from ages 14 to 15 years…

Mothers with infant children in the U.S. today are more educated than they ever have been. In 2011, more than six-in-ten (66%) had at least some college education, while 34% had a high school diploma or less and just 14% lacked a high school diploma, according to a new Pew Research Center analysis of U.S. Census Bureau data. These benchmarks…

The 33rd edition of the Annie E. Casey Foundation's KIDS COUNT® Data Book describes how children in America are in the midst of a mental health crisis, struggling with anxiety and depression at unprecedented levels. This year's publication continues to present national and state data across four domains -- economic well-being, education, health…