Theodore Holford

1.8k total citations · 1 hit paper
23 papers, 1.3k citations indexed

About

Theodore Holford is a scholar working on Health, Toxicology and Mutagenesis, Pediatrics, Perinatology and Child Health and Statistics and Probability. According to data from OpenAlex, Theodore Holford has authored 23 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Health, Toxicology and Mutagenesis, 3 papers in Pediatrics, Perinatology and Child Health and 3 papers in Statistics and Probability. Recurrent topics in Theodore Holford's work include Air Quality and Health Impacts (3 papers), Statistical Methods in Clinical Trials (3 papers) and Cancer Risks and Factors (2 papers). Theodore Holford is often cited by papers focused on Air Quality and Health Impacts (3 papers), Statistical Methods in Clinical Trials (3 papers) and Cancer Risks and Factors (2 papers). Theodore Holford collaborates with scholars based in United States, China and France. Theodore Holford's co-authors include Peter Peduzzi, John Concato, Alvan R. Feinstein, Philip J. Leaf, Myrna M. Weissman, Priya Wickramaratne, Katherine M. Detre, Janet Wittes, Brian P. Leaderer and Lisa A. McKay and has published in prestigious journals such as Environmental Health Perspectives, The American Journal of Cardiology and Journal of Clinical Epidemiology.

In The Last Decade

Theodore Holford

21 papers receiving 1.2k citations

Hit Papers

align trajectories

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.

Importance of events per independent variable in proportional hazards analysis I. Background, goals, and general strategy

1995 555 citations John Concato, Peter Peduzzi et al. Journal of Clinical Epidemiology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Theodore Holford United States	13	177	152	141	139	125	23	1.3k
John J. Lefante United States	19	215 1.2×	77 0.5×	268 1.9×	110 0.8×	250 2.0×	61	1.5k
Daniela Zugna Italy	18	217 1.2×	215 1.4×	217 1.5×	203 1.5×	300 2.4×	58	1.6k
Fanny Janssen Netherlands	26	181 1.0×	287 1.9×	230 1.6×	118 0.8×	104 0.8×	122	2.0k
William D. Finkle United States	14	76 0.4×	205 1.3×	295 2.1×	143 1.0×	185 1.5×	22	2.7k
Guoyou Qin China	17	107 0.6×	175 1.2×	104 0.7×	116 0.8×	131 1.0×	119	1.3k
David E. Lilienfeld United States	20	183 1.0×	161 1.1×	145 1.0×	163 1.2×	392 3.1×	52	1.7k
Ghada Abo-Zaid United Kingdom	7	54 0.3×	159 1.0×	155 1.1×	158 1.1×	121 1.0×	11	1.4k
Jeffrey Dwyer United States	12	260 1.5×	87 0.6×	159 1.1×	75 0.5×	53 0.4×	26	1.1k
Michael Manno Canada	21	71 0.4×	183 1.2×	282 2.0×	242 1.7×	137 1.1×	31	1.8k
Amalia Karahalios Australia	24	97 0.5×	287 1.9×	316 2.2×	168 1.2×	138 1.1×	104	1.8k

Countries citing papers authored by Theodore Holford

Since Specialization

Citations

This map shows the geographic impact of Theodore Holford'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 Theodore Holford with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Theodore Holford more than expected).

Fields of papers citing papers by Theodore Holford

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Theodore Holford. 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 Theodore Holford. The network helps show where Theodore Holford may publish in the future.

Co-authorship network of co-authors of Theodore Holford

This figure shows the co-authorship network connecting the top 25 collaborators of Theodore Holford. A scholar is included among the top collaborators of Theodore Holford 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 Theodore Holford. Theodore Holford 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

Holford, Theodore, et al.. (2025). All-Cause Mortality and Life Expectancy by Birth Cohort Across US States. JAMA Network Open. 8(4). e257695–e257695.

Ruaño, Gualberto, et al.. (2020). Subanalysis of the CYP-GUIDES Trial: CYP2D6 Functional Stratification and Operational Timeline Selection. Psychiatry Research. 297. 113571–113571. 5 indexed citations

Ruaño, Gualberto, et al.. (2019). Results of the CYP-GUIDES randomized controlled trial: Total cohort and primary endpoints. Contemporary Clinical Trials. 89. 105910–105910. 15 indexed citations

Hu, Xiaobin, Tongzhang Zheng, Yibin Cheng, et al.. (2015). Distributions of heavy metals in maternal and cord blood and the association with infant birth weight in China.. PubMed. 60(1-2). 21–9. 66 indexed citations

Chen, Qiong, Tongzhang Zheng, Bryan A. Bassig, et al.. (2014). Prenatal Exposure to Polycyclic Aromatic Hydrocarbons and Birth Weight in China. 3(4). 100–110. 12 indexed citations

Chen, Yingtai, Tongzhang Zheng, Francine M. Foss, et al.. (2013). Polymorphisms in DNA repair pathway genes, body mass index, and risk of non‐Hodgkin lymphoma. American Journal of Hematology. 88(7). 606–611. 11 indexed citations

Jiao, Jie, Tongzhang Zheng, Qing Lan, et al.. (2012). Occupational solvent exposure, genetic variation of DNA repair genes, and the risk of non-Hodgkin’s lymphoma. European Journal of Cancer Prevention. 21(6). 580–584. 18 indexed citations

Li, Qian, et al.. (2010). Light at night and breast cancer risk: results from a population-based case–control study in Connecticut, USA. Cancer Causes & Control. 21(12). 2281–2285. 34 indexed citations

Valderrama‐Ardila, Carlos, Neâl Alexander, Cristina Ferro, et al.. (2010). Environmental Risk Factors for the Incidence of American Cutaneous Leishmaniasis in a Sub-Andean Zone of Colombia (Chaparral, Tolima). American Journal of Tropical Medicine and Hygiene. 82(2). 243–250. 49 indexed citations

10.

Belanger, Kathleen, et al.. (2009). Increased Asthma Severity among Children Exposed to Outdoor NO2. Epidemiology. 20. S48–S48. 1 indexed citations

11.

Grosso, Leonard, Elizabeth W. Triche, Kenneth D. Belanger, et al.. (2005). Association of caffeine metabolites in umbilical cord blood with IUGR and preterm delivery: A prospective cohort study of 1609 pregnancies. Annals of Epidemiology. 15(8). 659–660. 1 indexed citations

12.

Leaderer, Brian P., Kathleen Belanger, Elizabeth W. Triche, et al.. (2002). Dust mite, cockroach, cat, and dog allergen concentrations in homes of asthmatic children in the northeastern United States: impact of socioeconomic factors and population density.. Environmental Health Perspectives. 110(4). 419–425. 168 indexed citations

13.

Concato, John, Peter Peduzzi, Theodore Holford, & Alvan R. Feinstein. (1995). Importance of events per independent variable in proportional hazards analysis I. Background, goals, and general strategy. Journal of Clinical Epidemiology. 48(12). 1495–1501. 555 indexed citations breakdown →

14.

Peduzzi, Peter, Janet Wittes, Katherine M. Detre, & Theodore Holford. (1993). Analysis as‐randomized and the problem of non‐adherence: An example from the veterans affairs randomized trial of coronary artery bypass surgery. Statistics in Medicine. 12(13). 1185–1195. 67 indexed citations

15.

Holford, Theodore, George C. Roush, & Lisa A. McKay. (1991). Trends in female breast cancer in Connecticut and the United States. Journal of Clinical Epidemiology. 44(1). 29–39. 55 indexed citations

16.

Peduzzi, Peter, Katherine M. Detre, Janet Wittes, & Theodore Holford. (1991). Intent-to-treat analysis and the problem of crossovers. Journal of Thoracic and Cardiovascular Surgery. 101(3). 481–487. 34 indexed citations

17.

Reece, E. Albert, et al.. (1990). Sonographic Assessment of Growth of the Fetal Head in Diabetic Pregnancies Compared with Normal Gestations. American Journal of Perinatology. 7(1). 18–22. 11 indexed citations

18.

Wickramaratne, Priya, Myrna M. Weissman, Philip J. Leaf, & Theodore Holford. (1989). Age, period and cohort effects on the risk of major depression: results from five United States communities. Journal of Clinical Epidemiology. 42(4). 333–343. 118 indexed citations

19.

Peduzzi, Peter, et al.. (1987). Comparison of the logistic and Cox regression models when outcome is determined in all patients after a fixed period of time. Journal of Chronic Diseases. 40(8). 761–767. 15 indexed citations

20.

Caride, Vicente J., et al.. (1982). Regional myocardial lidocaine concentration following continuous intravenous infusion early and late after myocardial infarction. The American Journal of Cardiology. 50(3). 497–502. 4 indexed citations

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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