Robert Wellman, MS
“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
Principal Collaborative Biostatistician, Kaiser Permanente Washington Health Research Institute
Robert.D.Wellman@kp.org
206-287-2557
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
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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
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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
Haas JS, Hill DA, Wellman RD, Hubbard RA, Lee CI, Wernli KJ, Stout NK, Tosteson AN, Henderson LM, Alford-Teaster JA, Onega TL. Disparities in the use of screening magnetic resonance imaging of the breast in community practice by race, ethnicity, and socioeconomic status. Cancer. 2016 Feb 15;122(4):611-7. doi: 10.1002/cncr.29805. Epub 2015 Dec 28. PubMed
Cherkin D, Balderson B, Brewer G, Cook A, Estlin KT, Evers SC, Foster NE, Hill JC, Hawkes R, Hsu C, Jensen M, LaPorte AM, Levine MD, Piekara D, Rock P, Sherman K, Sowden G, Wellman R, Yeoman J. Evaluation of a risk-stratification strategy to improve primary care for low back pain: the MATCH cluster randomized trial protocol. BMC Musculoskelet Disord. 2016 Aug 24;17(1):361. doi: 10.1186/s12891-016-1219-0. PubMed
Lehman C, Wellman RD, Buist DS, Kerlikowske K, Tosteson AN, Miglioretti DL. Diagnostic accuracy of digital screening mammography with and without computer-aided detection. JAMA Intern Med. 2015 Sep 28:1-10. doi: 10.1001/jamainternmed.2015.5231. [Epub ahead of print]. PubMed
Cook AJ, Wellman RD, Cherkin DC, Kahn JR, Sherman KJ. Randomized clinical trial assessing if additional massage treatments for chronic neck pain improve 12 and 26 week outcomes. Spine J. 2015 Oct 1;15(10):2206-15. doi: 10.1016/j.spinee.2015.06.049. Epub 2015 Jun 19. PubMed
Cook AJ, Wellman RD, Nelson JC, Jackson LA, Tiwari RC. Group sequential method for observational data by using generalized estimating equations: application to Vaccine Safety Datalink. J R Stat Soc Ser C Appl Stat. 2015;64(2):319-38. doi: 10.1111/rssc.12075. Epub 2014 Sep 23. PubMed
New findings
Simpler models to identify suicide risk perform similarly to more complex ones
Models that are easier to explain, use could have better uptake in health care settings.
Research
Phone therapy for insomnia shown to improve sleep
A study among KP members with sleep problems and osteoarthritis shows promise for overcoming obstacles to treatment.
healthy findings blog
Best weight-loss surgery for diabetes and severe obesity?
Watch video on latest results from PCORnet Bariatric Study. (Spoiler alert: Bypass, not sleeve.)
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