Robert Wellman, MS

Wellman_Robert_D_205x293.jpg

“Being part of Kaiser Permanente research teams gives me a chance to develop cutting-edge biostatistical methods while contributing to health care research with a national impact.”

Robert Wellman, MS

Biostatistician III, Kaiser Permanente Washington Health Research Institute

Biography

A graduate of the University of Washington (UW) biostatistics program, Robert Wellman, MS, joined the Kaiser Permanente Washington Health Research Institute (KPWHRI) Biostatistics Unit in 2009. His work spans a diverse collection of topics including mental health, pharmacoepidemiology, postmarketing drug safety surveillance, obesity, diagnostic test accuracy, back pain, and breast cancer. Prior to this, he spent 5 years in the Biostatistics Core at the UW Center for AIDS Research.

Research interests and experience

  • Biostatistics

    Causal inference; longitudinal data; diagnostic and screening test accuracy; clinical trials; survival analysis: rare disease outcomes; nonparametrics; missing data; electronic data; distributed data; statistical computing

    Vaccines & Infectious Diseases

    Biostatistics; HIV/AIDS; vaccine safety

    Complementary & Integrative Health

    Biostatistics; clinical trials; back pain

    Obesity

    Biostatistics; bariatric surgery

  • Cancer

    Biostatistics; breast cancer; effects of chemotherapy; accuracy of automated data; screening test accuracy; advanced imaging

    Medication Use & Patient Safety

    Biostatistics; pharmacoepidemiology; postmarketing drug safety surveillance; big data; electronic health record and claims data

    Mental Health

    Biostatistics; suicide risk prediction, machine learning

  •  
  •  

Recent publications

Cook AJ, Wellman RD, Marsh T, Shoaibi A, Tiwari R, Nguyen M, Boudreau D, Weintraub ES, Jackson L, Nelson JC. Applying sequential surveillance methods that use regression adjustment or weighting to control confounding in a multi-site, rare event, distributed setting: part 2:in-depth example of a re-analysis of the measles-mumps-rubella-varicella combination vacc J Clin Epidemiol. 2019 Sep; 113:114-122. PubMed

Arterburn D, Wellman R, Emiliano A, Smith SR, Odegaard AO, Murali S, Williams N, Coleman KJ, Courcoulas A, Coley RY, Anau J, Pardee R, Toh S, Janning C, Cook A, Sturtevant J, Horgan C, McTigue KM. Comparative effectiveness and safety of bariatric procedures for weight loss: a PCORnet cohort study. Ann Intern Med. 2018 Dec 4;169(11):741-750. doi: 10.7326/M17-2786. Epub 2018 Oct 30. PubMed

Cherkin D, Balderson B, Wellman R, Hsu C, Sherman KJ, Evers SC, Hawkes R, Cook A, Levine MD, Piekara D, Rock P, Estlin KT, Brewer G, Jensen M, LaPorte AM, Yeoman J, Sowden G, Hill JC, Foster NE. Effect of Low Back Pain Risk-Stratification Strategy on Patient Outcomes and Care Processes: the MATCH Randomized Trial in Primary Care. LID - 10.1007/s11606-018-4468-9 [doi] J Gen Intern Med. 2018 May 22. pii: 10.1007/s11606-018-4468-9. doi: 10.1007/s11606-018-4468-9 [Epub ahead of print] PubMed

Inge T, Coley RY, Bazzano LA, Xanthakos SA, McTigue K, Arterburn D, Williams N, Wellman R, Coleman KJ, Courcoulas A, Desai NK, Anau J, Pardee R, Toh S, Janning C, Cook A, Sturtevant J, Horgan C, Zebrick AJ, Michalsky M. Comparative effectiveness of bariatric procedures among adolescents: the PCORnet bariatric study. Surg Obes Relat Dis. 2018 Apr 17. doi: 10.1016/j.soard.2018.04.002.

Toh S, Wellman R, Coley RY, Horgan C, Sturtevant J, Moyneur E, Janning C, Pardee R, Coleman KJ, Arterburn D, McTigue K, Anau J, Cook AJ. Combining distributed regression and propensity scores: a doubly privacy-protecting analytic method for multicenter research. Clin Epidemiol. 2018 Nov 27;10:1773-1786. doi: 10.2147/CLEP.S178163. eCollection 2018. PubMed

 

healthy findings blog

Video-screen_grab-bariatric-young_couple-_1_column.jpg

Best weight-loss surgery for diabetes and severe obesity?

Watch video on latest results from PCORnet Bariatric Study. (Spoiler alert: Bypass, not sleeve.)

news

Bariatric-Surgery-Patient-Doctor-visit_1col.jpg

How does gastric bypass compare with gastric sleeve?

Dr. David Arterburn and colleagues publish a large, long-term analysis of post-op safety of weight-loss surgeries.