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
Senior 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
DeBar LL, Justice M, Avins AL, Cook A, Eng CM, Herman PM, Hsu C, Nielsen A, Pressman A, Stone KL, Teets RY, Wellman R. Acupuncture for chronic low back pain in older adults: Design and protocol for the BackInAction pragmatic clinical trial. Contemp Clin Trials. 2023 Mar 27;128:107166. doi: 10.1016/j.cct.2023.107166. [Epub ahead of print]. PubMed
Shortreed SM, Walker RL, Johnson E, Wellman R, Cruz M, Ziebell R, Coley RY, Yaseen ZS, Dharmarajan S, Penfold RB, Ahmedani BK, Rossom RC, Beck A, Boggs JM, Simon GE. Complex modeling with detailed temporal predictors does not improve health records-based suicide risk prediction. NPJ Digit Med. 2023;6(1):47. doi: 10.1038/s41746-023-00772-4. PubMed
Gray SL, Fornaro R, Turner J, Boudreau DM, Wellman R, Tannenbaum C, Marcum ZA, Balderson B, Cook A, Jacobsen AL, Phelan EA. Provider knowledge, beliefs, and self-efficacy to deprescribe opioids and sedative-hypnotics. J Am Geriatr Soc. 2022 Dec 22. doi: 10.1111/jgs.18202. [Epub ahead of print]. PubMed
Lewis CC, Jones SMW, Wellman R, Sharp AL, Gottlieb LM, Banegas MP, De Marchis E, Steiner JF. Social risks and social needs in a health insurance exchange sample: A longitudinal evaluation of utilization. BMC Health Serv Res. 2022 Nov 28;22(1):1430. doi: 10.1186/s12913-022-08740-6. PubMed
Coleman KJ, Wellman R, Fitzpatrick SL, Conroy MB, Hlavin C, Lewis KH, Coley RY, McTigue KM, Tobin JN, McBride CL, Desai JR, Clark JM, Toh S, Sturtevant JL, Horgan CE, Duke MC, Williams N, Anau J, Horberg MA, Michalsky MP, Cook AJ, Arterburn DE, Apovian CM. Comparative safety and effectiveness of Roux-en-Y gastric bypass and sleeve gastrectomy for weight loss and type 2 diabetes across race and ethnicity in the PCORnet bariatric study cohort. JAMA Surg. 2022 Oct 1;157(10):897-906. doi: 10.1001/jamasurg.2022.3714. 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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