John E. Walker

1.3k total citations · 1 hit paper
11 papers, 975 citations indexed

About

John E. Walker is a scholar working on Epidemiology, Infectious Diseases and Pharmacology. According to data from OpenAlex, John E. Walker has authored 11 papers receiving a total of 975 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Epidemiology, 5 papers in Infectious Diseases and 3 papers in Pharmacology. Recurrent topics in John E. Walker's work include HIV, Drug Use, Sexual Risk (5 papers), HIV/AIDS Research and Interventions (4 papers) and Cannabis and Cannabinoid Research (3 papers). John E. Walker is often cited by papers focused on HIV, Drug Use, Sexual Risk (5 papers), HIV/AIDS Research and Interventions (4 papers) and Cannabis and Cannabinoid Research (3 papers). John E. Walker collaborates with scholars based in United States, Australia and United Kingdom. John E. Walker's co-authors include Kaarin J. Anstey, Jamie R. Wood, Stephen R. Lord, Hilary Wynne, Glenn‐Milo Santos, Jaclyn Hern, Phillip O. Coffin, Tim Matheson, Eric Vittinghoff and Grant Colfax and has published in prestigious journals such as PLoS ONE, Clinical Psychology Review and Accident Analysis & Prevention.

In The Last Decade

John E. Walker

9 papers receiving 929 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.

Cognitive, sensory and physical factors enabling driving safety in older adults

2004 726 citations Kaarin J. Anstey, Jamie R. Wood et al. Clinical Psychology Review profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John E. Walker United States	7	617	473	458	163	116	11	975
Peggy P. Barco United States	14	335 0.5×	232 0.5×	181 0.4×	48 0.3×	240 2.1×	30	755
Laura B. Brown United States	12	176 0.3×	125 0.3×	72 0.2×	32 0.2×	322 2.8×	21	839
Ludivine Orriols France	17	141 0.2×	76 0.2×	232 0.5×	111 0.7×	87 0.8×	34	905
Toni Marie Rudisill United States	14	77 0.1×	107 0.2×	235 0.5×	161 1.0×	71 0.6×	48	510
Blandine Gadegbeku France	16	139 0.2×	103 0.2×	342 0.7×	82 0.5×	157 1.4×	38	981
Germaine L. Odenheimer United States	12	276 0.4×	164 0.3×	150 0.3×	60 0.4×	53 0.5×	19	744
Ann‐Helen Patomella Sweden	15	195 0.3×	117 0.2×	137 0.3×	37 0.2×	61 0.5×	46	633
Benjamin Contrand France	17	58 0.1×	54 0.1×	151 0.3×	130 0.8×	204 1.8×	37	963
Nadia Mullen Canada	11	155 0.3×	135 0.3×	258 0.6×	210 1.3×	67 0.6×	26	558
Ailene Kua Canada	14	143 0.2×	133 0.3×	122 0.3×	25 0.2×	305 2.6×	27	633

Countries citing papers authored by John E. Walker

Since Specialization

Citations

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

Fields of papers citing papers by John E. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John E. Walker. 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 John E. Walker. The network helps show where John E. Walker may publish in the future.

Co-authorship network of co-authors of John E. Walker

This figure shows the co-authorship network connecting the top 25 collaborators of John E. Walker. A scholar is included among the top collaborators of John E. Walker 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 John E. Walker. John E. Walker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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11 of 11 papers shown

Rush, Craig R., Glenn‐Milo Santos, Vanessa McMahan, et al.. (2025). Mirtazapine reduces hypothetical methamphetamine demand in humans. Drug and Alcohol Dependence. 274. 112769–112769.

McMahan, Vanessa, et al.. (2025). Interest in Long-Acting Preexposure Prophylaxis (PrEP) Among Men at Risk for Human Immunodeficiency Virus Who Use Methamphetamine Participating in a Daily, Oral PrEP Adherence Trial in San Francisco, California. Open Forum Infectious Diseases. 12(5). ofaf280–ofaf280.

Jain, Jennifer, et al.. (2022). Correlates of high phosphatidylethanol (PEth) levels and their concordance with self‐reported heavy alcohol consumption among men who have sex with men who binge drink alcohol. Alcoholism Clinical and Experimental Research. 46(8). 1565–1579. 2 indexed citations

Santos, Glenn‐Milo, Phillip O. Coffin, John E. Walker, et al.. (2021). Pilot study of extended-release lorcaserin for cocaine use disorder among men who have sex with men: A double-blind, placebo-controlled randomized trial. PLoS ONE. 16(7). e0254724–e0254724. 6 indexed citations

Coffin, Phillip O., Glenn‐Milo Santos, Emily Behar, et al.. (2019). Randomized feasibility trial of directly observed versus unobserved hepatitis C treatment with ledipasvir-sofosbuvir among people who inject drugs. PLoS ONE. 14(6). e0217471–e0217471. 19 indexed citations

Coffin, Phillip O., Glenn‐Milo Santos, Jaclyn Hern, et al.. (2019). Effects of Mirtazapine for Methamphetamine Use Disorder Among Cisgender Men and Transgender Women Who Have Sex With Men. JAMA Psychiatry. 77(3). 246–246. 78 indexed citations

Santos, Glenn‐Milo, Christopher Rowe, Jaclyn Hern, et al.. (2018). Prevalence and correlates of hazardous alcohol consumption and binge drinking among men who have sex with men (MSM) in San Francisco. PLoS ONE. 13(8). e0202170–e0202170. 24 indexed citations

Rowe, Christopher C., et al.. (2016). Concordance of Text Message Ecological Momentary Assessment and Retrospective Survey Data Among Substance-Using Men Who Have Sex With Men: A Secondary Analysis of a Randomized Controlled Trial. JMIR mhealth and uhealth. 4(2). e44–e44. 24 indexed citations

Sargent‐Cox, Kerry, Tim D. Windsor, John E. Walker, & Kaarin J. Anstey. (2010). Health literacy of older drivers and the importance of health experience for self-regulation of driving behaviour. Accident Analysis & Prevention. 43(3). 898–905. 27 indexed citations

10.

Anstey, Kaarin J., Jamie R. Wood, Stephen R. Lord, & John E. Walker. (2004). Cognitive, sensory and physical factors enabling driving safety in older adults. Clinical Psychology Review. 25(1). 45–65. 726 indexed citations breakdown →

11.

Walker, John E. & Hilary Wynne. (1994). Review: The Frequency and Severity of Adverse Drug Reactions in Elderly People. Age and Ageing. 23(3). 255–259. 69 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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