Clifford L. Johnson

18.0k total citations · 6 hit papers
70 papers, 14.3k citations indexed

About

Clifford L. Johnson is a scholar working on Public Health, Environmental and Occupational Health, Rheumatology and Physiology. According to data from OpenAlex, Clifford L. Johnson has authored 70 papers receiving a total of 14.3k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Public Health, Environmental and Occupational Health, 17 papers in Rheumatology and 12 papers in Physiology. Recurrent topics in Clifford L. Johnson's work include Folate and B Vitamins Research (17 papers), Nutritional Studies and Diet (16 papers) and Obesity, Physical Activity, Diet (13 papers). Clifford L. Johnson is often cited by papers focused on Folate and B Vitamins Research (17 papers), Nutritional Studies and Diet (16 papers) and Obesity, Physical Activity, Diet (13 papers). Clifford L. Johnson collaborates with scholars based in United States, Switzerland and Ireland. Clifford L. Johnson's co-authors include Katherine M. Flegal, Cynthia L. Ogden, Robert J. Kuczmarski, Rong Wei, Alex F. Roche, Lester R. Curtin, Shumei Guo, Zuguo Mei, Laurence M. Grummer‐Strawn and Ronette Briefel and has published in prestigious journals such as The Lancet, JAMA and Annals of Internal Medicine.

In The Last Decade

Clifford L. Johnson

69 papers receiving 13.8k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

CDC growth charts: United States.

2000 4.6k citations Robert J. Kuczmarski, Cynthia L. Ogden et al. PubMed profile →
Centers for Disease Control and Prevention 2000 Growth Charts for the United States: Improvements to the 1977 National Center for Health Statistics Version

2002 1.7k citations Cynthia L. Ogden, Robert J. Kuczmarski et al. profile →
National health and nutrition examination survey: sample design, 2011-2014.

2014 913 citations Clifford L. Johnson, Vicki L. Burt et al. PubMed profile →
Update on NHANES Dietary Data: Focus on Collection, Release, Analytical Considerations, and Uses to Inform Public Policy

2016 719 citations Johanna Dwyer, Clifford L. Johnson et al. Advances in Nutrition profile →
Development of bioelectrical impedance analysis prediction equations for body composition with the use of a multicomponent model for use in epidemiologic surveys

2003 518 citations Robert J. Kuczmarski, Katherine M. Flegal et al. American Journal of Clinical Nutrition profile →
NCHS Growth Curves for Children Birth-18 Years

1977 466 citations P V Hamill, T Drizd et al. Defense Technical Information Center (DTIC) profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Clifford L. Johnson United States	38	6.4k	3.0k	2.4k	2.2k	1.6k	70	14.3k
Mostafa Qorbani Iran	50	4.0k 0.6×	2.3k 0.7×	1.0k 0.4×	1.4k 0.6×	2.0k 1.3×	712	13.8k
Lester R. Curtin United States	14	7.2k 1.1×	3.1k 1.0×	2.2k 0.9×	1.3k 0.6×	2.1k 1.3×	19	14.9k
Margaret McDowell United States	26	8.4k 1.3×	6.1k 2.0×	1.1k 0.5×	1.1k 0.5×	2.4k 1.5×	53	16.6k
R. Curtis Ellison United States	61	3.4k 0.5×	1.9k 0.6×	1.1k 0.5×	1.2k 0.6×	820 0.5×	208	13.7k
Hazel Inskip United Kingdom	62	4.5k 0.7×	2.8k 0.9×	3.4k 1.5×	1.3k 0.6×	1.9k 1.2×	312	14.7k
Robert J. Kuczmarski United States	26	9.9k 1.5×	5.1k 1.7×	3.7k 1.6×	2.4k 1.1×	2.6k 1.6×	41	19.9k
Lars J. Vatten Norway	76	4.5k 0.7×	3.0k 1.0×	4.6k 2.0×	1.5k 0.7×	752 0.5×	330	20.9k
Barbara A. Bowman United States	34	2.9k 0.4×	2.3k 0.7×	669 0.3×	1.6k 0.7×	1.1k 0.7×	81	11.1k
Ivan J. Perry Ireland	59	3.5k 0.5×	2.5k 0.8×	1.0k 0.4×	777 0.4×	1.6k 1.0×	330	14.5k
Ichiro Tsuji Japan	72	3.3k 0.5×	2.8k 0.9×	550 0.2×	1.5k 0.7×	1.8k 1.1×	623	21.4k

Countries citing papers authored by Clifford L. Johnson

Since Specialization

Citations

This map shows the geographic impact of Clifford L. Johnson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Clifford L. Johnson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Clifford L. Johnson more than expected).

Fields of papers citing papers by Clifford L. Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Clifford L. Johnson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Clifford L. Johnson. The network helps show where Clifford L. Johnson may publish in the future.

Co-authorship network of co-authors of Clifford L. Johnson

This figure shows the co-authorship network connecting the top 25 collaborators of Clifford L. Johnson. A scholar is included among the top collaborators of Clifford L. Johnson based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Clifford L. Johnson. Clifford L. Johnson is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Pfeiffer, Christine M, David A. Lacher, Rosemary L. Schleicher, Clifford L. Johnson, & Elizabeth A Yetley. (2017). Challenges and Lessons Learned in Generating and Interpreting NHANES Nutritional Biomarker Data. Advances in Nutrition. 8(2). 290–307. 22 indexed citations

Schleicher, Rosemary L., Maya Sternberg, Anne C. Looker, et al.. (2016). 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. Journal of Nutrition. 146(5). 1051–1061. 184 indexed citations

Schleicher, Rosemary L., Maya Sternberg, David A. Lacher, et al.. (2016). The vitamin D status of the US population from 1988 to 2010 using standardized serum concentrations of 25-hydroxyvitamin D shows recent modest increases. American Journal of Clinical Nutrition. 104(2). 454–461. 149 indexed citations

Pfeiffer, Christine M, Maya Sternberg, Zia Fazili, et al.. (2015). Folate status and concentrations of serum folate forms in the US population: National Health and Nutrition Examination Survey 2011–2. British Journal Of Nutrition. 113(12). 1965–1977. 90 indexed citations

Pfeiffer, Christine M, Jeffery P. Hughes, Mary E. Cogswell, et al.. (2014). Urine Sodium Excretion Increased Slightly among U.S. Adults between 1988 and 2010. Journal of Nutrition. 144(5). 698–705. 27 indexed citations

Pfeiffer, Christine M, Jeffery P. Hughes, Ramón Durazo-Arvizú, et al.. (2012). Changes in Measurement Procedure from a Radioassay to a Microbiologic Assay Necessitate Adjustment of Serum and RBC Folate Concentrations in the U.S. Population from the NHANES 1988–2010 ,. Journal of Nutrition. 142(5). 894–900. 23 indexed citations

Pfeiffer, Christine M, Jeffery P. Hughes, David A. Lacher, et al.. (2012). Estimation of Trends in Serum and RBC Folate in the U.S. Population from Pre- to Postfortification Using Assay-Adjusted Data from the NHANES 1988–2010. Journal of Nutrition. 142(5). 886–893. 163 indexed citations

Swanson, Christine A., Michael Zimmermann, Sheila Skeaff, et al.. (2012). Summary of an NIH Workshop to Identify Research Needs to Improve the Monitoring of Iodine Status in the United States and to Inform the DRI. Journal of Nutrition. 142(6). 1175S–1185S. 37 indexed citations

Carroll, Margaret D., et al.. (2011). Cholesterol Management in the United States: The National Health and Nutrition Examination Survey, 1999 to 2006. Annals of Epidemiology. 21(5). 318–326. 8 indexed citations

10.

Pfeiffer, Christine M, Mindy Zhang, David A. Lacher, et al.. (2011). Comparison of Serum and Red Blood Cell Folate Microbiologic Assays for National Population Surveys. Journal of Nutrition. 141(7). 1402–1409. 51 indexed citations

11.

Schenker, Nathaniel, Lori G. Borrud, Vicki L. Burt, et al.. (2010). Multiple imputation of missing dual‐energy X‐ray absorptiometry data in the National Health and Nutrition Examination Survey. Statistics in Medicine. 30(3). 260–276. 54 indexed citations

12.

Flegal, Katherine M., Rong Wei, Cynthia L. Ogden, et al.. (2009). Characterizing extreme values of body mass index–for-age by using the 2000 Centers for Disease Control and Prevention growth charts. American Journal of Clinical Nutrition. 90(5). 1314–1320. 348 indexed citations

13.

Pfeiffer, Christine M, John Osterloh, Jocelyn Kennedy‐Stephenson, et al.. (2008). Trends in Circulating Concentrations of Total Homocysteine among US Adolescents and Adults: Findings from the 1991–1994 and 1999–2004 National Health and Nutrition Examination Surveys. Clinical Chemistry. 54(5). 801–813. 43 indexed citations

14.

Kuczmarski, Robert J., Cynthia L. Ogden, Laurence M. Grummer‐Strawn, et al.. (2000). CDC growth charts: United States.. PubMed. 1–27. 4575 indexed citations breakdown →

15.

Pfeiffer, Christine M, Samuel P. Caudill, Elaine W. Gunter, et al.. (2000). Analysis of Factors Influencing the Comparison of Homocysteine Values between the Third National Health and Nutrition Examination Survey (NHANES) and NHANES 1999+. Journal of Nutrition. 130(11). 2850–2854. 21 indexed citations

16.

Johnson, Clifford L.. (1993). Declining Serum Total Cholesterol Levels Among US Adults. JAMA. 269(23). 3002–3002. 368 indexed citations

17.

Chumlea, William Cameron, et al.. (1990). Reliability for anthropometric measurements in the Hispanic Health and Nutrition Examination Survey (HHANES 1982©1984). American Journal of Clinical Nutrition. 51(5). 902S–907S. 56 indexed citations

18.

Johnson, Clifford L.. (1981). Basic data on anthropometric measurements and angular measurements of the hip and knee joints for selected age groups 1-74 years of age, United States, 1971-1975. 24 indexed citations

19.

Johnson, Clifford L. & Sidney Abraham. (1979). Hemoglobin and selected iron-related findings of persons 1-74 years of age : United States, 1971-74. 7 indexed citations

20.

Hamill, P V, T Drizd, Clifford L. Johnson, Robert B. Reed, & Alex F. Roche. (1977). NCHS Growth Curves for Children Birth-18 Years. Defense Technical Information Center (DTIC). 466 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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