Clifford L. Johnson

COVID-19 recovery from the community perspective in Middlesbrough: a coproduction cross-sectional study

Andrew Divers, Catherine Parker, Parisa Diba, Clifford L. Johnson et autres

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Challenges and Lessons Learned in Generating and Interpreting NHANES Nutritional Biomarker Data

Christine M Pfeiffer, David A. Lacher, Rosemary Lawless Schleicher, Clifford L. Johnson et autres

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The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases

Rosemary Lawless Schleicher, Maya Sternberg, David A. Lacher, Christopher T. Sempos et autres

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A Method-bridging Study for Serum 25-hydroxyvitamin D to Standardize Historical Radioimmunoassay Data to Liquid Chromatography-Tandem Mass Spectrometry.

Rosemary Lawless Schleicher, Maya Sternberg, David A. Lacher, Christoher T Sempos et autres

BACKGROUND: Serum concentrations of 25-hydroxyvitamin D (25OHD) were measured for the National Health and Nutrition Examination Survey (NHANES) over the 1988-2006 period using a radioimmunoassay (RIA). In 2010, the Centers for Disease Control and Prevention (CDC) reissued RIA-harmonized 25OHD for NHANES 2004 …

National Estimates of Serum Total 25-Hydroxyvitamin D and Metabolite Concentrations Measured by Liquid Chromatography–Tandem Mass Spectrometry in the US Population during 2007–2010

Rosemary Lawless Schleicher, Maya Sternberg, Anne C. Looker, Elizabeth Ann D. Yetley et autres

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Update on NHANES Dietary Data: Focus on Collection, Release, Analytical Considerations, and Uses to Inform Public Policy

Namanjeet Ahluwalia, Johanna T. Dwyer, Ana L Terry, Alanna J. Moshfegh et autres

NHANES is the cornerstone for national nutrition monitoring to inform nutrition and health policy. Nutritional assessment in NHANES is described with a focus on dietary data collection, analysis, and uses in nutrition monitoring. NHANES has been collecting thorough data on diet, nutritional …

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Folate status and concentrations of serum folate forms in the US population: National Health and Nutrition Examination Survey 2011–2

Christine M Pfeiffer, Maya Sternberg, Zia Fazili, David A. Lacher et autres

Serum and erythrocyte (RBC) total folate are indicators of folate status. No nationally representative population data exist for folate forms. We measured the serum folate forms (5-methyltetrahydrofolate (5-methylTHF), unmetabolised folic acid (UMFA), non-methyl folate (sum of tetrahydrofolate (THF), 5-formyltetrahydrofolate (5-formylTHF), 5,10-methenyltetrahydrofolate (5,10-methenylTHF)) …

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Estimated Average 24‐h Urine Sodium Excretion in US Children

Christine Pfeiffer, Jeffery P. Hughes, David A. Lacher, Mary E. Cogswell et autres

In 2009–2010, US children aged 6–11 y and 12–19 y consumed an estimated average 2971 mg/d and 3563 mg/d of dietary sodium, respectively, which is above the 2010 Dietary Guideline of 2300 mg/d. To our knowledge, no nationally representative published data exist …

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Unmetabolized Folic Acid Is Detected in Nearly All Serum Samples from US Children, Adolescents, and Adults1–4

Christine M Pfeiffer, Maya Sternberg, Zia Fazili, Elizabeth Ann D. Yetley et autres

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National Health and Nutrition Examination Survey: National Youth Fitness Survey Estimation Procedures, 2012.

Clifford L. Johnson, Sylvia M Dohrmann, Van de Kerckove, Jason Clark et autres

BACKGROUND: The National Health and Nutrition Examination Survey's (NHANES) National Youth Fitness Survey (NNYFS) was conducted in 2012 by the Centers for Disease Control and Prevention's National Center for Health Statistics (NCHS). NNYFS collected data on physical activity and fitness levels to …

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Urine Sodium Excretion Increased Slightly among U.S. Adults between 1988 and 2010

Christine M Pfeiffer, Jeffery P. Hughes, Mary E. Cogswell, Vicki L. Burt et autres

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National Health and Nutrition Examination Survey: national youth fitness survey plan, operations, and analysis, 2012.

Lori G. Borrud, Michele M. Chiappa, Vicki L. Burt, Jaime Jacqueline Gahche et autres

BACKGROUND: In October 2008, the federal government issued its first-ever Physical Activity Guidelines for Americans to provide science-based guidance on the types and amounts of physical activity that provide substantial health benefits for Americans (1). Guidelines for children and adolescents recommend 60 …

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