People

Justin Knox
Justin Knox, PhD
Columbia University Mailman School of Public Health - Assistant Professor of Clinical Implementation Science and Intervention (in Psychiatry)
Education
PhD, Epidemiology, Columbia University
MPH, Sociomedical Sciences, Columbia University
MSc, Medical Anthropology, University College London
BA, Anthropology and Spanish, Middlebury College
BIO
Justin Knox is an Assistant Professor of Clinical Implementation Science and Intervention (in Psychiatry) at Columbia University.  His research focuses on HIV and substance use among racial and sexual minorities, both domestically and globally. He is the MPI of an R01 study (R01DA054553; MPI: Duncan & Knox) that seeks to investigate relationships between cannabis use and HIV prevention behaviors and biological vulnerability to HIV infection among Black men who have sex with men (MSM). He is also the PI of an R21 study (R21DA053156; PI: Knox) that seeks to investigate relationships between stimulant use and HIV care and prevention among Black MSM. He is also the PI of a K01 award (K01AA028199; PI: Knox) to develop and evaluate an intervention that aims to improve HIV treatment outcomes and reduce alcohol use in heavy-drinking Black MSM.

Dr. Knox earned his PhD in Epidemiology from Columbia University; his dissertation focused on substance use and HIV risk among social networks of Black South African men who have sex with men, work funded by an F31 from NIDA and the U.S. Fulbright Student Program. Dr. Knox has an MPH from Columbia University, an MSc in Medical Anthropology from University College London, and a Bachelor’s degree from Middlebury College. He also served as a Peace Corps volunteer in Swaziland.
Projects
Principal Investigator, Cannabis Use, PrEP and HIV Transmission Risk Among Black MSM in Chicago. Active
Principal Investigator, Formative Research on How to Deliver Alcohol Interventions in the Context of HIV Prevention and Care among Black Sexual Minority Men. Active
Principal Investigator, Intervening to Improve HIV Treatment and Reduce Drinking in Young, Black Men Who Have Sex With Men. Active
Principal Investigator, Social Environmental Drivers of Stimulant Use and Its Impact on HIV Prevention and Treatment in Black Men Who Have Sex With Men. Active
Publications

Recent

Knox J, Hwang G, Carrico AW, Duncan DT, Watson RJ, Eaton LA (2022).
Daily marijuana use predicts HIV seroconversion among Black men who have sex with men and transgender women in Atlanta, GA
AIDS and Behavior, 26 (8), 2503-2515. doi: 10.1007/s10461-022-03598-5.

Hasin DS, Aharonovich E, Zingman BS, Stohl M, Walsh C, Elliott JC, Fink DS, Knox J, Durant S, Menchaca R, Sharma A (2022).
HealthCall: A randomized trial assessing a smartphone enhancement of brief interventions to reduce heavy drinking in HIV care
Journal of Substance Abuse Treatment, 138, 108733. doi: 10.1016/j.jsat.2022.108733. PMCID: PMC9167215.

Jones J, Knox J, Meanley S, Yang C, Lounsbury DW, Huang TT, Bauermeister J, Gonzalez-Hernandez G, Frye V, Grov C, Patel V, Baral SD, Sullivan PS, Schwartz SR (2022).
Explorations of the role of digital technology in HIV-related implementation research: Case comparisons of five ending the HIV epidemic supplement awards
Journal of Acquired Immune Deficiency Syndromes, 90 (S1), S226-S234. doi: 10.1097/QAI.0000000000002983. PMCID: PMC9204781.

Knox J, Kutner BA, Shiau S, Winterhalter FS, Wu Y, Hirsch-Moverman Y, El-Sadr W, Colson PW, Franks J (2022).
Assessing the Information-Motivation-Behavioral skills model to predict pre-exposure prophylaxis adherence among Black men who have sex with men and transgender women in a community setting in New York City
AIDS and Behavior, 26 (7), 2494-2502. doi: 10.1007/s10461-022-03588-7. PMCID: PMC9167713.

Chen YT, Duncan DT, Del Vecchio N, Timmins L, Pagkas-Bather J, Knox J, Lacap S, Hanson H, Schneider JA (2022).
COVID-19 conspiracy beliefs are not barriers to HIV status neutral care among Black cisgender sexual minority men and Black transgender women at the initial peak of the COVID-19 pandemic in Chicago, USA
AIDS and Behavior [Epub 2022 Jun 22]. doi: 10.1007/s10461-022-03720-7. PMCID: PMC9214465.


Notable

Knox J, Reddy V, Lane T, Lovasi GS, Hasin D, Sandfort T (2019).
Safer sex intentions modify the relationship between substance use and sexual risk behavior among black South African men who have sex with men
International Journal of STD and AIDS, 30 (8), 786-794. doi: 10.1177/0956462418825333. PMCID: PMC6765215.

Knox J, Reddy V, Lane T, Lovasi G, Hasin D, Sandfort T (2017).
Determinants of hazardous drinking among Black South African men who have sex with men
Drug and Alcohol Dependence, 180, 14-21. doi: 10.1016/j.drugalcdep.2017.07.036. PMCID: PMC5648600.

Knox J, Reddy V, Lane T, Hasin D, Sandfort T (2017).
Substance use and sexual risk behavior among Black South African men who have sex with men: The moderating effects of reasons for drinking and safer sex intentions
AIDS and Behavior, 21 (7), 2023-2032. doi: 10.1007/s10461-016-1652-y. PMCID: PMC5484757.

Dr. Knox's My Bibliography Profile