C
Charles E. Matthews
Researcher at National Institutes of Health
Publications - 305
Citations - 37353
Charles E. Matthews is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Population & Body mass index. The author has an hindex of 78, co-authored 281 publications receiving 31355 citations. Previous affiliations of Charles E. Matthews include Cambridge University Hospitals NHS Foundation Trust & Vanderbilt University Medical Center.
Papers
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Journal ArticleDOI
Sources of Variance in Daily Physical Activity Levels in the Seasonal Variation of Blood Cholesterol Study
Charles E. Matthews,James R. Hébert,Patty S. Freedson,Edward J. Stanek,Philip A. Merriam,Cara B. Ebbeling,Ira S. Ockene +6 more
TL;DR: This study is among the first to have examined the sources of variance in daily physical activity levels in a large population of adults using 24-hour physical activity recall, providing insight for understanding the strengths and limitations of short term and long term physical activity assessments employed in epidemiologic studies.
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Effects of obesity and height on prostate-specific antigen (PSA) and percentage of free PSA levels among african-american and caucasian men
Jay H. Fowke,Lisa B. Signorello,Sam S. Chang,Charles E. Matthews,Maciej S. Buchowski,Maciej S. Buchowski,Michael S. Cookson,Flora Ukoli,William J. Blot +8 more
TL;DR: The association between body mass index (BMI) and height on PSA and percentage of free PSA (%fPSA) was investigated within AA and CA men without a prior prostate cancer diagnosis.
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Identifying sedentary time using automated estimates of accelerometer wear time
Elisabeth A. H. Winkler,Paula Gardiner,Bronwyn K. Clark,Charles E. Matthews,Neville Owen,Genevieve N. Healy +5 more
TL;DR: In this article, the authors evaluated the accuracy of three automated accelerometer wear-time estimation algorithms against self-report and found that allowing very limited movement within non-wear periods can improve accuracy.
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Reliability and validity of YRBS physical activity items among middle school students.
Philip J. Troped,Jean L. Wiecha,Maren S. Fragala,Charles E. Matthews,Daniel M. Finkelstein,Juhee Kim,Karen E. Peterson +6 more
TL;DR: YRBS questions underestimate the proportion of students attaining recommended levels of moderate physical activity and overestimate the proportion meeting vigorous recommendations, and new questions demonstrating greater validity are needed.
Journal ArticleDOI
Anthropometric predictors of coronary heart disease in Chinese women.
TL;DR: WHR was positively associated with the risk of CHD in both younger and older women, while other anthropometrics, including BMI, were related to CHD risk primarily among younger women.