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

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 5 year metabolic and bariatric surgery outcomes in the PCORNET bariatric study cohort. Ann Surg. 2023 Apr 1;277(4):637-646. doi: 10.1097/SLA.0000000000005364. Epub 2022 Jan 19. PubMed

Yeung K, Zhu W, McCurry SM, Von Korff M, Wellman R, Morin CM, Vitiello MV. Cost-effectiveness of telephone cognitive behavioral therapy for osteoarthritis-related insomnia. J Am Geriatr Soc. 2021 Oct 11. doi: 10.1111/jgs.17469. [Epub ahead of print]. PubMed

Vitiello MV, Zhu W, Von Korff M, Wellman R, Morin CM, Yeung K, McCurry SM. Short-term improvements in insomnia or pain predict long-term improvements in sleep, pain, depression, and fatigue in older adults with co-morbid osteoarthritis pain and insomnia. Sleep. 2021 Sep 13:zsab231. doi: 10.1093/sleep/zsab231. [Epub ahead of print]. PubMed

Pocobelli G, Akosile MA, Hansen RN, Eavey J, Wellman RD, Johnson RL, Carls G, Bron M, Dublin S. Obstructive sleep apnea and risk of motor vehicle accident.  Sleep Med. 2021 Jul 17;85:196-203. doi: 10.1016/j.sleep.2021.07.019. [Epub ahead of print]. PubMed

McCurry SM, Zhu W, Von Korff M, Wellman R, Morin CM, Thakral M, Yeung K, Vitiello MV. Effect of telephone cognitive behavioral therapy for insomnia in older adults with osteoarthritis pain: a randomized clinical trial. JAMA Intern Med. 2021 Feb 22:e209049. doi: 10.1001/jamainternmed.2020.9049. [Epub ahead of print]. 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.)