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Alisa J. Stephens Shields, Ph.D.
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Associate Professor of Biostatistics in Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
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Senior Scholar, Center for Clinical Epidemiology and Biostatistics, Perelman School of Medicine, University of Pennsylvania
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Member, Graduate Group in Epidemiology and Biostatistics, University of Pennsylvania
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Director, Biostatistics and Data Science Core, Penn Center for AIDS Research (CFAR),
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Perelman School of Medicine, University of Pennsylvania
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Department: Biostatistics and Epidemiology
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Graduate Group Affiliations
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Contact information
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Department of Biostatistics, Epidemiology and Informatics
3a Center for Clinical Epidemiology and Biostatistics
3f University of Pennsylvania, Perelman School of Medicine
19 628 Blockley Hall
3a 423 Guardian Drive
Philadelphia, PA 19104-6021
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3a Center for Clinical Epidemiology and Biostatistics
3f University of Pennsylvania, Perelman School of Medicine
19 628 Blockley Hall
3a 423 Guardian Drive
Philadelphia, PA 19104-6021
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Office: 215-898-1606
32 Fax: 215-573-4865
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32 Fax: 215-573-4865
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Education:
21 9 B.S. 2b (Mathematics with Spanish minor) c
2f University of Maryland, 2006.
21 9 A.M. 1a (Biostatistics) c
2b Harvard University, 2009.
21 a Ph.D. 1a (Biostatistics) c
2b Harvard University, 2012.
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Permanent link21 9 B.S. 2b (Mathematics with Spanish minor) c
2f University of Maryland, 2006.
21 9 A.M. 1a (Biostatistics) c
2b Harvard University, 2009.
21 a Ph.D. 1a (Biostatistics) c
2b Harvard University, 2012.
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Description of Research Expertise
17e Dr. Stephens' research interests include clinical trials, in particular cluster-randomized trials, longitudinal data analysis, and causal inference with an emphasis on semiparametric methods. Her current collaborations include the Testosterone Trials, the Multidisciplinary Approach to Pelvic Pain Network and several projects in the prevention and treatment of HIV.e 29
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17e Garland SN, Carlson LE, Stephens AJ, Antle MC, Samuels C, Campbell TS: Mindfulness-based stress reduction compared to cognitive-behavioral therapy for the treatment of insomnia comorbid with cancer: a randomized, partially blinded, noninferiority trial. Journal of Clinical Oncology 32(5): 449-457, Feb 2014.
130 Stephens AJ, Tchetgen Tchetgen EJ, De Gruttola V: Locally efficient estimation of marginal treatment effects when outcomes are correlated: Is the prize worth the chase? International Journal of Biostatistics 10(1): 59-75, May 2014.
279 Cunningham GR, Rosen RC, Wang C, Stephens AJ, Ellenberg SS, Matsumoto A, Bhasin S, Molitch M, Farrar JT, Cella D, Barrett-Connor E, Cauley J, Cifelli D, Crandall JP, Ensrud KE, Fluharty L, Lewis CE, Pahor M, Resnick SM, Swerdloff RS, Snyder PJ: Free testosterone and total testosterone but not estradiol or sex hormone-binding globulin are associated with sexual function in symptomatic older hypogonadal men in The Sexual Function Trial of The Testosterone Trials. International Society of Endocrinology/Endocrine Society Annual Meeting, Chicago, IL Jun 2014.
1c4 Nickel JC, Stephens AJ, Chen J, Landis JR, Mullins C, Ehrlich GD, MAPP Research Network: Search for Microorganisms in Men with Urologic Chronic Pelvic Pain Syndrome: A Culture-Independent Analysis of Cases and Controls Enrolled in the trans-MAPP Epidemiology/Phenotyping (EP) Study. Poster Presentation at the American Urological Association Annual Meeting, Orlando, FL May 2014.
12b Yehia BR, Stephens AJ, Agwu AL, Berry SA, Gebo KA, Metlay J: The HIV Treatment Cascade: Is There More to the Story? Poster Presentation at the Conference on Retroviruses and Opportunistic Infections, Boston, MA(564), Mar 2014.
127 Stephens AJ, Tchetgen Tchetgen EJ, DeGruttola V: Flexible covariate-adjusted exact tests of randomized treatment effects with application to a trial of HIV education. Annals of Applied Statistics 7(4): 2106-2137, Dec 2013.
187 Rodriguez L, Stephens AJ, Clemens JQ, Yang C, Buchwald D, Lai HH, and the MAPP Research Network: Impact of Symptom Duration on Baseline Characteristics of the Multidisciplinary Approach to Pelvic Pain (MAPP) Study Cohort. Oral Presentation at the American Urological Association Annual Meeting, San Diego, CA May 2013.
f6 Stephens AJ, Keele J, Joffe M: Effect Modification by Post-Treatment Variables in Mental Health Research. Oral Presentation at the ENAR Spring Meeting, Orlando, FL Mar 2013.
167 Stephens AJ, Tchetgen Tchetgen EJ, De Gruttola V: Locally Efficient Estimation of Marginal Treatment Effects Using Auxiliary Covariates in Randomized Trials with Multivariate Outcomes. Oral Presentation at the 8th World Congress in Probability and Statistics, Istanbul, Turkey Jul 2012.
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Selected Publications
1a4 Krieger JN, Stephens AJ, Landis JR, Andriole G, Clemens JQ, Kreder K, Lai H, Mackey S, Rodriquez L, Schaeffer A, Williams D: Relationship between chronic nonurological associated somatic syndromes and symptom severity in urological chronic pelvic pain syndromes: baseline evaluation of the MAPP study. Journal of Urology 193(4): 1254-62, Apr 2015.17e Garland SN, Carlson LE, Stephens AJ, Antle MC, Samuels C, Campbell TS: Mindfulness-based stress reduction compared to cognitive-behavioral therapy for the treatment of insomnia comorbid with cancer: a randomized, partially blinded, noninferiority trial. Journal of Clinical Oncology 32(5): 449-457, Feb 2014.
130 Stephens AJ, Tchetgen Tchetgen EJ, De Gruttola V: Locally efficient estimation of marginal treatment effects when outcomes are correlated: Is the prize worth the chase? International Journal of Biostatistics 10(1): 59-75, May 2014.
279 Cunningham GR, Rosen RC, Wang C, Stephens AJ, Ellenberg SS, Matsumoto A, Bhasin S, Molitch M, Farrar JT, Cella D, Barrett-Connor E, Cauley J, Cifelli D, Crandall JP, Ensrud KE, Fluharty L, Lewis CE, Pahor M, Resnick SM, Swerdloff RS, Snyder PJ: Free testosterone and total testosterone but not estradiol or sex hormone-binding globulin are associated with sexual function in symptomatic older hypogonadal men in The Sexual Function Trial of The Testosterone Trials. International Society of Endocrinology/Endocrine Society Annual Meeting, Chicago, IL Jun 2014.
1c4 Nickel JC, Stephens AJ, Chen J, Landis JR, Mullins C, Ehrlich GD, MAPP Research Network: Search for Microorganisms in Men with Urologic Chronic Pelvic Pain Syndrome: A Culture-Independent Analysis of Cases and Controls Enrolled in the trans-MAPP Epidemiology/Phenotyping (EP) Study. Poster Presentation at the American Urological Association Annual Meeting, Orlando, FL May 2014.
12b Yehia BR, Stephens AJ, Agwu AL, Berry SA, Gebo KA, Metlay J: The HIV Treatment Cascade: Is There More to the Story? Poster Presentation at the Conference on Retroviruses and Opportunistic Infections, Boston, MA(564), Mar 2014.
127 Stephens AJ, Tchetgen Tchetgen EJ, DeGruttola V: Flexible covariate-adjusted exact tests of randomized treatment effects with application to a trial of HIV education. Annals of Applied Statistics 7(4): 2106-2137, Dec 2013.
187 Rodriguez L, Stephens AJ, Clemens JQ, Yang C, Buchwald D, Lai HH, and the MAPP Research Network: Impact of Symptom Duration on Baseline Characteristics of the Multidisciplinary Approach to Pelvic Pain (MAPP) Study Cohort. Oral Presentation at the American Urological Association Annual Meeting, San Diego, CA May 2013.
f6 Stephens AJ, Keele J, Joffe M: Effect Modification by Post-Treatment Variables in Mental Health Research. Oral Presentation at the ENAR Spring Meeting, Orlando, FL Mar 2013.
167 Stephens AJ, Tchetgen Tchetgen EJ, De Gruttola V: Locally Efficient Estimation of Marginal Treatment Effects Using Auxiliary Covariates in Randomized Trials with Multivariate Outcomes. Oral Presentation at the 8th World Congress in Probability and Statistics, Istanbul, Turkey Jul 2012.
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