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
Hecht F, Wellman R, Busch M, Little S, Markowitz M, Collier A, Margolick J, Norris P, Routy JP, Holte S Identifying the early post-HIV antibody seroconversion period. J Infect Dis. 2011 Aug 15;204(4):526-33. doi: 10.1093/infdis/jir304.
Cherkin DC, Sherman KJ, Kahn J, Wellman R, Cook AJ, Johnson E, Erro JH, Delaney KM, Deyo RA. A comparison of the effects of 2 types of massage and usual care on chronic low back pain: a randomized, controlled trial. Ann Intern Med. 2011 Jul 5;155(1):1-9. PubMed
Sherman KJ, Cherkin DC, Cook AJ, Hawkes RJ, Deyo RA, Wellman R, Khalsa PS. Comparison of yoga versus stretching for chronic low back pain: protocol for the Yoga Exercise Self-care (YES) trial. Trials. 2010;11(1):36. 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.)