Robert Wellman, MS

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“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

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

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Recent publications

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

Sprague BL, Gangnon RE, Burt V, Trentham-Dietz A, Hampton JM, Wellman RD, Kerlikowske K, Miglioretti DL. Prevalence of mammographically dense breasts in the United States. J Natl Cancer Inst. 2014 Sep 12;106(10). pii: dju255. doi: 10.1093/jnci/dju255. Print 2014.  PubMed

Sherman KJ, Cook A, Wellman R, Kahn J, Cherkin D. Influence of the amount and duration of therapeutic massage for chronic neck pain on 12 and 26 week outcomes of pain and function.  J Altern Complement Med. 2014;20(5):A49-50. doi: 10.1089/acm.2014.5129.abstract.  PubMed

Sherman KJ, Cook AJ, Wellman RD, Hawkes RJ, Kahn JR, Deyo RA, Cherkin DC. Five-week outcomes from a dosing trial of therapeutic massage for chronic neck pain.  Ann Fam Med. 2014 Mar-Apr;12(2):112-20. doi: 10.1370/afm.1602. PubMed

Houssami N, Abraham LA, Kerlikowske K, Buist DS, Irwig L, Lee J, Miglioretti DL. Risk factors for second screen-detected or interval breast cancers in women with a personal history of breast cancer participating in mammography screening.  Cancer Epidemiol Biomarkers Prev. 2013 May;22(5):946-61. doi: 10.1158/1055-9965.EPI-12-1208-T. Epub 2013 Mar 19. PubMed

 

New findings

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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

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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

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Best weight-loss surgery for diabetes and severe obesity?

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