This study assesses self-reported and objectively measured physical activity among U.S. adults according to the 2008 Physical Activity Guidelines for Americans. The National Health and Nutrition Examination Survey of 2005–2006 found that fewer than 10 percent of U.S. adults met the...

In this study, school children wore a validated accelerometer and completed the Previous Day Physical Activity Recall for three consecutive days. When applied to the holdout sample, an algorithm of predicted minutes of moderate to vigorous physical activity showed good agreement with the actual...

In this study, school children wore a validated accelerometer and completed the Previous Day Physical Activity Recall for three consecutive days. When applied to the holdout sample, an algorithm of predicted minutes of moderate to vigorous physical activity showed good agreement with the actual...

This study assesses self-reported and objectively measured physical activity among U.S. adults according to the 2008 Physical Activity Guidelines for Americans. The National Health and Nutrition Examination Survey of 2005–2006 found that fewer than 10 percent of U.S. adults met the guidelines....

This paper examines how the HITECH Act could be harnessed to help practices implement technology and support key principles of the PCMH.

This report presents key findings of an impact evaluation of a rural road rehabilitation project in Armenia. Changes in outcomes for roads that were rehabilitated are compared to changes in outcomes for a comparison group of otherwise similar roads that were not rehabilitated.

Mathematica Policy Research has conducted influential work to improve mental health and substance abuse services and policies. We combine our deep knowledge of behavioral health care with our data collection and analytic capabilities to provide a wide array of services.