This study examined the availability of free drinking water during lunchtime in US public schools, as required by federal legislation beginning in the 2011-2012 school year. Data were collected by mail-back surveys in nationally representative samples of US public elementary, middle, and high schools from 2009-2010 to 2011-2012. Overall, 86.4%, 87.4%, and 89.4% of students attended elementary, ...

BACKGROUND This longitudinal study examined psychosocial factors associated with risky sexual behavior in early adolescence. METHODS Data were collected through a self-report survey, the Social and Health Assessment (SAHA), which was administered in three waves between 2001 and 2003 to a cohort of incoming sixth grade students in the public school system (149 classes at 17 middle and high sch...

Adolescents who do not get enough sleep are more likely to be overweight; not engage in daily physical activity; suffer from depressive symptoms; engage in unhealthy risk behaviors such as drinking, smoking tobacco, and using illicit drugs; and perform poorly in school. However, insufficient sleep is common among high school students, with less than one third of U.S. high school students sleepi...

The region of the Middle East is highly conflict-loaded. The absence of one distinct regional power may be considered both cause and consequence of this structural feature. At the same time, there are significant power gaps between states in the Middle East, with Israel among the most powerful actors and accordingly defined as a potential regional power. Due to the specific empirical setting of...