Alexander W Levis, PhD

Assistant Professor of Biostatistics and Epidemiology at the Hospital of the University of Pennsylvania
Department: Biostatistics and Epidemiology
Contact information
128C Baker Hall, Carnegie Mellon University
Pittsburgh, PA 15213
Pittsburgh, PA 15213
Education:
BSc (Pharmacology)
McGill University, Montreal, QC, 2015.
MSc (Biostatistics)
McGill University, Montreal, QC, 2017.
MA (Biostatistics)
Harvard TH Chan School of Public Health, 2019.
PhD (Biostatistics)
Harvard TH Chan School of Public Health, 2022.
Permanent linkBSc (Pharmacology)
McGill University, Montreal, QC, 2015.
MSc (Biostatistics)
McGill University, Montreal, QC, 2017.
MA (Biostatistics)
Harvard TH Chan School of Public Health, 2019.
PhD (Biostatistics)
Harvard TH Chan School of Public Health, 2022.
Selected Publications
Levis AW, Mukherjee R, Wang R, Fischer H, Haneuse S: Double Sampling for Informatively Missing Data in Electronic Health Record-Based Comparative Effectiveness Research. Statistics in Medicine 43(30): 6086-6098, Dec 2024.Levis B, Bhandari PM, Neupane D, Fan S, Sun Y, He C, Wu Y, Krishnan A, Negeri Z, Imran M, Rice DB, Riehm KE, Azar M, Levis AW, Boruff J, Cuijpers P, Gilbody S, Ioannidis JPA, Kloda LA, Patten SB, Ziegelstein RC, Harel D, Takwoingi Y, Markham S, Alamri SH, Amtmann D, Arroll B, Ayalon L, Baradaran HR, Beraldi A, Bernstein CN, Bhana A, Bombardier CH, Buji RI, Butterworth P, Carter G, Chagas MH, Chan JCN, Chan LF, Chibanda D, Clover K, Conway A, Conwell Y, Daray FM, de Man-van Ginkel JM, Fann JR, Fischer FH, Field S, Fisher JRW, Fung DSS, Gelaye B, Gholizadeh L, Goodyear-Smith F, Green EP, Greeno CG, Hall BJ, Hantsoo L, Härter M, Hides L, Hobfoll SE, Honikman S, Hyphantis T, Inagaki M, Iglesias-Gonzalez M, Jeon HJ, Jetté N, Khamseh ME, Kiely KM, Kohrt BA, Kwan Y, Lara MA, Levin-Aspenson HF, Liu SI, Lotrakul M, Loureiro SR, Löwe B, Luitel NP, Lund C, Marrie RA, Marsh L, Marx BP, McGuire A, Mohd Sidik S, Munhoz TN, Muramatsu K, Nakku JEM, Navarrete L, Osório FL, Pence BW, Persoons P, Petersen I, Picardi A, Pugh SL, Quinn TJ, Rancans E, Rathod SD, Reuter K, Rooney AG, Santos IS, Schram MT, Shaaban J, Shinn EH, Sidebottom A, Simning A, Spangenberg L, Stafford L, Sung SC, Suzuki K, Tan PLL, Taylor-Rowan M, Tran TD, Turner A, van der Feltz-Cornelis CM, van Heyningen T, Vöhringer PA, Wagner LI, Wang JL, Watson D, White J, Whooley MA, Winkley K, Wynter K, Yamada M, Zeng QZ, Zhang Y, Thombs BD, Benedetti A; Depression Screening Data (DEPRESSD) PHQ Group: Data-Driven Cutoff Selection for the Patient Health Questionnaire-9 Depression Screening Tool. JAMA Network Open 7(11): e2429630, Nov 2024.
Loewinger G, Levis AW, Pereira F: Nonparametric causal inference for optogenetics: sequential excursion effects for dynamic regimes. ArXiv [Preprint] arXiv: 2405.18597v2, Oct 2024.
Alexander W. Levis, Rajarshi Mukherjee, Rui Wang, Sebastien Haneuse: Robust causal inference for point exposures with missing confounders. Canadian Journal of Statistics Page: e11832, Sept 2024 Notes: doi.org/10.1002/cjs.11832.
Liu Y, Levis AW, Normand SL, Han L: Multi-Source Conformal Inference Under Distribution Shift. Proceedings of Machine Learning Research 235: 31344-31382, Jul 2024.
Golden CD, Zamborain-Mason J, Levis A, Rice BL, Allen LH, Hampel D, Hazen J, Metcalf CJE, Randriamady HJ, Shahab-Ferdows S, Wu SM, Haneuse S.: Prevalence of micronutrient deficiencies across diverse environments in rural Madagascar. Front Nutr 11: 1389080, May 2024 Notes: doi: 10.3389/fnut.2024.1389080.
Kwakkenbos L, Carrier ME, Welling J, Levis B, Levis AW, Sauve M, Turner KA, Tao L, Aguila K, Carboni-Jiménez A, Cañedo-Ayala M, Harb S, van den Ende C, Hudson M, van Breda W, Nguyen C, Boutron I, Rannou F, Thombs BD, Mouthon L, and SPIN Investigators: Randomized controlled trial of an internet-based self-guided hand exercise program to improve hand function in people with systemic sclerosis: the Scleroderma Patient-centered Intervention Network Hand Exercise Program (SPIN-HAND) trial. Trials 23(1): 994, Dec 2022 Notes: doi: 10.1186/s13063-022-06923-4.
Thombs BD, Levis B, Carrier ME, Dyas L, Nordlund J, Tao L, Aguila K, Bourgeault A, Konrad V, Sauvé M, Connolly K, Henry RS, Østbø N, Levis AW, Kwakkenbos L, Malcarne VL, El-Baalbaki G, Hudson M, Wurz A, Culos-Reed SN, Platt RW, Benedetti A; SPIN-SSLED Support Group Leader Advisory Team: Effects of a support group leader education program jointly developed by health professionals and patients on peer leader self-efficacy among leaders of scleroderma support groups: a two-arm parallel partially nested randomised controlled trial. Orphanet Journal of Rare Diseases 17(1): 396, Oct 2022.
Harel D, Levis B, Sun Y, Fischer F, Ioannidis JPA, Cuijpers P, Patten SB, Ziegelstein RC, Markham S, Benedetti A, Thombs BD; DEPRESsion Screening Data DEPRESSD PHQ Collaboration: External validation of a shortened screening tool using individual participant data meta-analysis: A case study of the Patient Health Questionnaire-Dep-4. Methods 204: 300-311, Aug 2022.
Koffman L, Levis AW, Haneuse S, Johnson E, Bock S, McSperitt D, Gupta A, Arterburn D: Evaluation of Intensive Telephonic Nutritional and Lifestyle Counseling to Enhance Outcomes of Bariatric Surgery. Obesity Surgery 32(1): 133-141, Jan 2022.