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.
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
Biostatistics; HIV/AIDS; vaccine safety
Biostatistics; clinical trials; back pain
Biostatistics; bariatric surgery
Biostatistics; breast cancer; effects of chemotherapy; accuracy of automated data; screening test accuracy; advanced imaging
Biostatistics; pharmacoepidemiology; postmarketing drug safety surveillance; big data; electronic health record and claims data
Biostatistics; suicide risk prediction, machine learning
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;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
Tuzzio L, Wellman RD, De Marchis EH, Gottlieb LM, Walsh-Bailey C, Jones SMW, Nau CL, Steiner JF, Banegas MP, Sharp AL, Derus A, Lewis CC. Social risk factors and desire for assistance among patients receiving subsidized health care insurance in a us-based integrated delivery system. Ann Fam Med. 2022 Mar-Apr;20(2):137-144. doi: 10.1370/afm.2774. PubMed
Sherman KJ, Wellman RD, Jones SMW, Lewis CC. Interest in mindfulness training for chronic low-back pain: results from a vignette-driven, web-based survey of patients. J Integr Complement Med. 2022 Mar 23. doi: 10.1089/jicm.2021.0427. [Epub ahead of print]. PubMed
Coughlin JW, Nauman E, Wellman R, Coley RY, McTigue KM, Coleman KJ, Jones DB, Lewis K, Tobin JN, Wee CC, Fitzpatrick SL, Desai JR, Murali S, Morrow EH, Rogers AM, Wood GC, Schlundt DG, Apovian CM, Duke MC, McClay JC, Soans R, Nemr R, Williams N, Courcoulas A, Holmes JH, Anau J, Toh S, Sturtevant JL, Horgan CE, Cook AJ, Arterburn DE; PCORnet Bariatric Study Collaborative. Preoperative depression status and five year metabolic and bariatric surgery outcomes in the PCORNET bariatric study cohort. Ann Surg. 2022 Jan 19. doi: 10.1097/SLA.0000000000005364. [Epub ahead of print]. PubMed
A study among KP members with sleep problems and osteoarthritis shows promise for overcoming obstacles to treatment.
Watch video on latest results from PCORnet Bariatric Study. (Spoiler alert: Bypass, not sleeve.)