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Brent A. Johnson, Ph.D.


Showing all 63 journal articles & 0 books available

Journal Articles

Elafros MA, Johnson BA, Siddiqi OK, Okulicz JF, Sikazwe I, Bositis CM, Potchen MJ, Koralnik IJ, Theodore WH, Kalungwana L, Birbeck GL. "Mortality & recurrent seizure risk after new-onset seizure in HIV-positive Zambian adults." BMC neurology.. 2018 Dec 7; 18(1):201. Epub 2018 Dec 07.

Vidula H, Kutyifa V, Johnson BA, Strawderman RL, Harrington D, Polonsky B, Papernov A, Alexis JD. "Readmission Patterns During Long-Term Follow-Up After Left Ventricular Assist Device Implantation." The American journal of cardiology.. 2018 Sep 15; 122(6):1021-1027. Epub 2018 Jun 21.

McIntyre J, Johnson BA, Rappaport SM. "Monte Carlo methods for nonparametric regression with heteroscedastic measurement error." Biometrics.. 2018 Jun 0; 74(2):498-505. Epub 2017 Sep 15.

Rice JD, Strawderman RL, Johnson BA. "Regularity of a renewal process estimated from binary data." Biometrics.. 2018 Jun 0; 74(2):566-574. Epub 2017 Oct 09.

Brust JCM, Shah NS, Mlisana K, Moodley P, Allana S, Campbell A, Johnson BA, Master I, Mthiyane T, Lachman S, Larkan LM, Ning Y, Malik A, Smith JP, Gandhi NR. "Improved Survival and Cure Rates With Concurrent Treatment for Multidrug-Resistant Tuberculosis-Human Immunodeficiency Virus Coinfection in South Africa." Clinical infectious diseases : an official publication of the Infectious Diseases Society of America.. 2018 Apr 3; 66(8):1246-1253.

Rice JD, Johnson BA, Strawderman RL. "Modeling the rate of HIV testing from repeated binary data amidst potential never-testers." Biostatistics.. 2018 Jan 4; Epub 2018 Jan 04.

Lu X, Johnson BA. "Direct estimation for adaptive treatment length policies: Methods and application to evaluating the effect of delayed PEG insertion." Biometrics.. 2017 Sep 0; 73(3):981-989. Epub 2016 Dec 23.

Johnson BA. "Nonparametric Two-Sample Tests of the Marginal Mark Distribution with Censored Marks." Scandinavian journal of statistics, theory and applications.. 2017 Jun 0; 44(2):545-562. Epub 2017 Feb 16.

Stephenson R, Freeland R, Sullivan SP, Riley E, Johnson BA, Mitchell J, McFarland D, Sullivan PS. "Home-Based HIV Testing and Counseling for Male Couples (Project Nexus): A Protocol for a Randomized Controlled Trial." JMIR research protocols. 2017 May 30; 6(5):e101. Epub 2017 May 30.

Feinstein BA, Johnson BA, Parsons JT, Mustanski B. "Reactions to Testing HIV Negative: Measurement and Associations with Sexual Risk Behaviour Among Young MSM Who Recently Tested HIV Negative." AIDS and behavior.. 2017 May 0; 21(5):1467-1477.

Sherazi S, Kutyifa V, McNitt S, Papernov A, Hallinan W, Chen L, Storozynsky E, Johnson BA, Strawderman RL, Massey HT, Zareba W, Alexis JD. "Effect of Gender on the Risk of Neurologic Events and Subsequent Outcomes in Patients With Left Ventricular Assist Devices." The American journal of cardiology.. 2017 Jan 15; 119(2):297-301. Epub 2016 Oct 07.

Mustanski B, Madkins K, Greene GJ, Parsons JT, Johnson BA, Sullivan P, Bass M, Abel R. "Internet-Based HIV Prevention With At-Home Sexually Transmitted Infection Testing for Young Men Having Sex With Men: Study Protocol of a Randomized Controlled Trial of Keep It Up! 2.0." JMIR research protocols. 2017 Jan 7; 6(1):e1. Epub 2017 Jan 07.

Johnson BA, McKenney J, Ricca AV, Rosenberg ES, Liu C, Sharma A, Sullivan PS. "Risk Factors Associated With Repeated HIV Testing Among Internet-Using Men Who Have Sex With Men." AIDS education and prevention : official publication of the International Society for AIDS Education.. 2016 Dec 0; 28(6):511-523.

Wall KM, Kilembe W, Vwalika B, Ravindhran P, Khu NH, Brill I, Chomba E, Johnson BA, Haddad LB, Tichacek A, Allen S. "Hormonal Contraceptive Use Among HIV-Positive Women and HIV Transmission Risk to Male Partners, Zambia, 1994-2012." The Journal of infectious diseases.. 2016 Oct 1; 214(7):1063-71. Epub 2016 Jul 26.

Braverman JM, Hamilton MB, Johnson BA. "Patterns of Substitution Rate Variation at Many Nuclear Loci in Two Species Trios in the Brassicaceae Partitioned with ANOVA." Journal of molecular evolution.. 2016 Oct 0; 83(3-4):97-109. Epub 2016 Sep 03.

Mishra-Kalyani PS, Johnson BA, Glass JD, Long Q. "Estimating the palliative effect of percutaneous endoscopic gastrostomy in an observational registry using principal stratification and generalized propensity scores." Scientific reports.. 2016 Sep 19; 6:33431. Epub 2016 Sep 19.

Johnson BA, Long Q, Huang Y, Chansky K, Redman M. "Model selection and inference for censored lifetime medical expenditures." Biometrics.. 2016 Sep 0; 72(3):731-41. Epub 2015 Dec 21.

Long Q, Zhang X, Zhao Y, Johnson BA, Bostick RM. "Modeling clinical outcome using multiple correlated functional biomarkers: A Bayesian approach." Statistical methods in medical research.. 2016 Apr 0; 25(2):520-37. Epub 2012 Oct 14.

Zhao Y, Chung M, Johnson BA, Moreno CS, Long Q. "Hierarchical Feature Selection Incorporating Known and Novel Biological Information: Identifying Genomic Features Related to Prostate Cancer Recurrence." Journal of the American Statistical Association.. 2016 111(516):1427-1439. Epub 2017 Jan 04.

John S, Kearns R, Johnson BA, Ordóñez CE, Wu B, Hare A, Wu P, Sullivan P, Sunpath H, Marconi VC. "Religious Beliefs and Depression: Psychosocial Factors Affecting HIV Treatment Outcomes in South Africa." New voices in psychology.. 2016 12(2):2-20.

Johnson BA. "On Huberized calibration regression for censored medical cost data." Statistics in biosciences.. 2015 Oct 0; 7(2):367-378. Epub 2015 Mar 04.

Jain S, Frank G, McCormick K, Wu B, Johnson BA. "Impact of Physician Scorecards on Emergency Department Resource Use, Quality, and Efficiency." Pediatrics.. 2015 Sep 0; 136(3):e670-9. Epub 2015 Aug 10.

Long Q, Johnson BA. "Variable selection in the presence of missing data: resampling and imputation." Biostatistics.. 2015 Jul 0; 16(3):596-610. Epub 2015 Feb 18.

Wall KM, Kilembe W, Vwalika B, Htee Khu N, Brill I, Chomba E, Johnson BA, Haddad L, Tichacek A, Allen S. "Hormonal contraception does not increase women's HIV acquisition risk in Zambian discordant couples, 1994-2012." Contraception.. 2015 Jun 0; 91(6):480-7. Epub 2015 Feb 21.

Sharma A, Johnson BA, Sullivan PS. "Evaluating interventions to promote routine preventive screenings: a comparison of analytical outcomes." Contemporary clinical trials.. 2015 Mar 0; 41:152-9. Epub 2015 Jan 29.

Carnathan DG, Wetzel KS, Yu J, Lee ST, Johnson BA, Paiardini M, Yan J, Morrow MP, Sardesai NY, Weiner DB, Ertl HC, Silvestri G. "Activated CD4+CCR5+ T cells in the rectum predict increased SIV acquisition in SIVGag/Tat-vaccinated rhesus macaques." Proceedings of the National Academy of Sciences of the United States of America.. 2015 Jan 13; 112(2):518-23. Epub 2014 Dec 30.

Kim YM, Zhou Y, Gao Y, Fu JS, Johnson BA, Huang C, Liu Y. "Spatially resolved estimation of ozone-related mortality in the United States under two Representative Concentration Pathways (RCPs) and their uncertainty." Climatic change.. 2015 Jan 1; 128(1-2):71-84.

Hare AQ, Ordóñez CE, Johnson BA, Del Rio C, Kearns RA, Wu B, Hampton J, Wu P, Sunpath H, Marconi VC. "Gender-specific risk factors for virologic failure in KwaZulu-Natal: automobile ownership and financial insecurity." AIDS and behavior.. 2014 Nov 0; 18(11):2219-29.

Long Q, Xu J, Osunkoya AO, Sannigrahi S, Johnson BA, Zhou W, Gillespie T, Park JY, Nam RK, Sugar L, Stanimirovic A, Seth AK, Petros JA, Moreno CS. "Global transcriptome analysis of formalin-fixed prostate cancer specimens identifies biomarkers of disease recurrence." Cancer research.. 2014 Jun 15; 74(12):3228-37. Epub 2014 Apr 08.

Wu J, Zhou Y, Gao Y, Fu JS, Johnson BA, Huang C, Kim YM, Liu Y. "The time trend temperature-mortality as a factor of uncertainty analysis of impacts of future heat waves: Wu et al. respond." Environmental health perspectives.. 2014 May 0; 122(5):A118-9.

Wu J, Zhou Y, Gao Y, Fu JS, Johnson BA, Huang C, Kim YM, Liu Y. "Estimation and uncertainty analysis of impacts of future heat waves on mortality in the eastern United States." Environmental health perspectives.. 2014 Jan 0; 122(1):10-6. Epub 2013 Nov 06.

Berg CJ, Nehl EJ, Wang X, Ding Y, He N, Johnson BA, Wong FY. "Healthcare provider intervention on smoking and quit attempts among HIV-positive versus HIV-negative MSM smokers in Chengdu, China." AIDS care.. 2014 26(9):1201-7. Epub 2014 Mar 07.

Wu P, Johnson BA, Nachega JB, Wu B, Ordonez CE, Hare AQ, Kearns R, Murphy R, Sunpath H, Marconi VC. "The combination of pill count and self-reported adherence is a strong predictor of first-line ART failure for adults in South Africa." Current HIV research.. 2014 12(5):366-75.

Marconi VC, Wu B, Hampton J, Ordóñez CE, Johnson BA, Singh D, John S, Gordon M, Hare A, Murphy R, Nachega J, Kuritzkes DR, del Rio C, Sunpath H, . "Early warning indicators for first-line virologic failure independent of adherence measures in a South African urban clinic." AIDS patient care and STDs.. 2013 Dec 0; 27(12):657-68.

Chung M, Long Q, Johnson BA. "A Tutorial on Rank-based Coefficient Estimation for Censored Data in Small- and Large-Scale Problems." Statistics and computing.. 2013 Sep 1; 23(5):601-614.

Johnson BA, Ribaudo H, Gulick RM, Eron JJ. "Modeling clinical endpoints as a function of time of switch to second-line ART with incomplete data on switching times." Biometrics.. 2013 Sep 0; 69(3):732-40. Epub 2013 Jul 17.

Khosropour CM, Johnson BA, Ricca AV, Sullivan PS. "Enhancing retention of an Internet-based cohort study of men who have sex with men (MSM) via text messaging: randomized controlled trial." Journal of medical Internet research.. 2013 Aug 27; 15(8):e194. Epub 2013 Aug 27.

Greenwald R, Johnson BA, Hoskins A, Dworski R. "Exhaled breath condensate formate after inhaled allergen provocation in atopic asthmatics in vivo." The Journal of asthma : official journal of the Association for the Care of Asthma.. 2013 Aug 0; 50(6):619-22. Epub 2013 Apr 10.

Traxinger K, Kelly C, Johnson BA, Lyles RH, Glass JD. "Prognosis and epidemiology of amyotrophic lateral sclerosis: Analysis of a clinic population, 1997-2011." Neurology. Clinical practice.. 2013 Aug 0; 3(4):313-320.

Rappaport SM, Johnson BA, Bois FY, Kupper LL, Kim S, Thomas R. "Ignoring and adding errors do not improve the science." Carcinogenesis.. 2013 Jul 0; 34(7):1689-91. Epub 2013 Mar 25.

Zora JE, Sarnat SE, Raysoni AU, Johnson BA, Li WW, Greenwald R, Holguin F, Stock TH, Sarnat JA. "Associations between urban air pollution and pediatric asthma control in El Paso, Texas." The Science of the total environment.. 2013 Mar 15; 448:56-65. Epub 2013 Jan 09.

Rappaport SM, Kim S, Thomas R, Johnson BA, Bois FY, Kupper LL. "Low-dose metabolism of benzene in humans: science and obfuscation." Carcinogenesis.. 2013 Jan 0; 34(1):2-9. Epub 2012 Dec 07.

Sarnat SE, Raysoni AU, Li WW, Holguin F, Johnson BA, Flores Luevano S, Garcia JH, Sarnat JA. "Air pollution and acute respiratory response in a panel of asthmatic children along the U.S.-Mexico border." Environmental health perspectives.. 2012 Mar 0; 120(3):437-44. Epub 2011 Sep 06.

Li L, Eron JJ, Ribaudo H, Gulick RM, Johnson BA. "Evaluating the Effect of Early Versus Late ARV Regimen Change if Failure on an Initial Regimen: Results From the AIDS Clinical Trials Group Study A5095." Journal of the American Statistical Association.. 2012 107(498):542-554. Epub 2012 Jul 24.

Johnson BA, Long Q, Chung M. "On path restoration for censored outcomes." Biometrics.. 2011 Dec 0; 67(4):1379-88. Epub 2011 Apr 02.

Long Q, Chung M, Moreno CS, Johnson BA. "Risk Prediction for Prostate Cancer Recurrence Through Regularized Estimation with Simultaneous Adjustment for Nonlinear Clinical Effects." The annals of applied statistics.. 2011 Sep 1; 5(3):2003-2023.

Long Q, Johnson BA, Osunkoya AO, Lai YH, Zhou W, Abramovitz M, Xia M, Bouzyk MB, Nam RK, Sugar L, Stanimirovic A, Williams DJ, Leyland-Jones BR, Seth AK, Petros JA, Moreno CS. "Protein-coding and microRNA biomarkers of recurrence of prostate cancer following radical prostatectomy." The American journal of pathology.. 2011 Jul 0; 179(1):46-54. Epub 2011 May 03.

Johnson BA, Long Q. "Survival ensembles by the sum of pairwise differences with application to lung cancer microarray studies." The annals of applied statistics.. 2011 Jun 1; 5(2A):1081-1101.

Long Q, Zhang X, Johnson BA. "Robust estimation of area under ROC curve using auxiliary variables in the presence of missing biomarker values." Biometrics.. 2011 Jun 0; 67(2):559-67. Epub 2010 Sep 03.

Jain S, Elon LK, Johnson BA, Frank G, Deguzman M. "Physician practice variation in the pediatric emergency department and its impact on resource use and quality of care." Pediatric emergency care.. 2010 Dec 0; 26(12):902-8.

Cooper LA, Gutman DA, Long Q, Johnson BA, Cholleti SR, Kurc T, Saltz JH, Brat DJ, Moreno CS. "The proneural molecular signature is enriched in oligodendrogliomas and predicts improved survival among diffuse gliomas." PloS one.. 2010 Sep 3; 5(9):e12548. Epub 2010 Sep 03.

Johnson BA. "Rank-based estimation in the {ell}1-regularized partly linear model for censored outcomes with application to integrated analyses of clinical predictors and gene expression data." Biostatistics.. 2009 Oct 0; 10(4):659-66. Epub 2009 Jun 24.

Johnson BA, Lin DY, Zeng D. "Penalized Estimating Functions and Variable Selection in Semiparametric Regression Models." Journal of the American Statistical Association.. 2008 Jun 1; 103(482):672-680.

Johnson BA. "Treatment-competing events in dynamic regimes." Lifetime data analysis.. 2008 Jun 0; 14(2):196-215.

Kim S, Lan Q, Waidyanatha S, Chanock S, Johnson BA, Vermeulen R, Smith MT, Zhang L, Li G, Shen M, Yin S, Rothman N, Rappaport SM. "Genetic polymorphisms and benzene metabolism in humans exposed to a wide range of air concentrations." Pharmacogenetics and genomics.. 2007 Oct 0; 17(10):789-801.

Johnson BA, Rappaport SM. "On modelling metabolism-based biomarkers of exposure: a comparative analysis of nonlinear models with few repeated measurements." Statistics in medicine.. 2007 Apr 30; 26(9):1901-19.

Johnson BA, Herring AH, Ibrahim JG, Siega-Riz AM. "Structured measurement error in nutritional epidemiology: applications in the Pregnancy, Infection, and Nutrition (PIN) Study." Journal of the American Statistical Association.. 2007 102(479):856-866.

Kim S, Vermeulen R, Waidyanatha S, Johnson BA, Lan Q, Smith MT, Zhang L, Li G, Shen M, Yin S, Rothman N, Rappaport SM. "Modeling human metabolism of benzene following occupational and environmental exposures." Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology.. 2006 Nov 0; 15(11):2246-52.

Kim S, Vermeulen R, Waidyanatha S, Johnson BA, Lan Q, Rothman N, Smith MT, Zhang L, Li G, Shen M, Yin S, Rappaport SM. "Using urinary biomarkers to elucidate dose-related patterns of human benzene metabolism." Carcinogenesis.. 2006 Apr 0; 27(4):772-81. Epub 2005 Dec 08.

Rebeiz AG, Dery JP, Tsiatis AA, O'shea JC, Johnson BA, Hellkamp AS, Pieper KS, Gilchrist IC, Slater J, Muhlestein JB, Joseph D, Kitt MM, Tcheng JE, . "Optimal duration of eptifibatide infusion in percutaneous coronary intervention (an ESPRIT substudy)." The American journal of cardiology.. 2004 Oct 1; 94(7):926-9.

Pleil JD, Vette AF, Johnson BA, Rappaport SM. "Air levels of carcinogenic polycyclic aromatic hydrocarbons after the World Trade Center disaster." Proceedings of the National Academy of Sciences of the United States of America.. 2004 Aug 10; 101(32):11685-8. Epub 2004 Jul 27.

Johnson BA, Tsiatis AA. "Estimating mean response as a function of treatment duration in an observational study, where duration may be informatively censored." Biometrics.. 2004 Jun 0; 60(2):315-23.

Weiner M, Fan MY, Johnson BA, Kasper JD, Anderson GF, Fried LP. "Predictors of health resource use by disabled older female Medicare beneficiaries living in the community." Journal of the American Geriatrics Society.. 2003 Mar 0; 51(3):371-9.