This review focuses on dietary intake and dietary supplement use among the U.S. population age 1–74 based on four National Health and Nutrition Examination Surveys conducted in 1971–74, 1976–80, 1988–94, and 1999–2000.

This report from the field describes the design, implementation, and early evaluation results of the Healthy Weight Collaborative, a federally supported learning collaborative to develop, test, and disseminate an integrated change package of six promising, evidence-based clinical and...

This report from the field describes the design, implementation, and early evaluation results of the Healthy Weight Collaborative, a federally supported learning collaborative to develop, test, and disseminate an integrated change package of six promising, evidence-based clinical and...

This article, the sixth in a series of monographs for the journal on research design and analysis, discusses statistical concepts related to the measurement of nutrition-related characteristics and outcomes, including validity, reliability, and diagnostic tests. The paper is designed to help...

This article measures the achievement impacts of 41 Knowledge Is Power Program (KIPP) charter middle schools nationwide and found consistently positive and statistically significant test-score effects in reading, math, science, and social studies.

This article, the sixth in a series of monographs for the journal on research design and analysis, discusses statistical concepts related to the measurement of nutrition-related characteristics and outcomes, including validity, reliability, and diagnostic tests. The paper is designed to help...

This article measures the achievement impacts of 41 Knowledge Is Power Program (KIPP) charter middle schools nationwide and found consistently positive and statistically significant test-score effects in reading, math, science, and social studies.

School environment and policies may affect children's ability to make healthy food choices both at and away from school. Using data from the third School Nutrition Dietary Assessment Study conducted in 2005 we estimate the effect of environment and policies on children's fruit and vegetable...