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    Wenjun Li PhD

    TitleAssociate Professor
    InstitutionUniversity of Massachusetts Medical School
    DepartmentMedicine
    AddressUniversity of Massachusetts Medical School
    419 Belmont Street
    Worcester MA 01605
    Phone508-856-6574
      Other Positions
      InstitutionUMMS - School of Medicine
      DepartmentQuantitative Health Sciences

      InstitutionUMMS - Graduate School of Biomedical Sciences
      DepartmentClinical Population Health Research

        Overview 
        Narrative

        Dr. Li, Associate Professor of Medicine (Biostatistics), is interested in identifying racial and socioeconomic disparities in health, and helping public health agencies to prioritize their prevention or research efforts.His Health Geography Lab focuses on assessing neighborhood environmental impact on health and health behaviors. His current projects involve research into traumatic injuries, arthritis, elderly falls and bone fractures, obesity, diabetes, physical inactivity, nutrition, cigarette smoking, and HIV vaccine development. He also conducts methodological research on survey sampling, small area estimation and randomized clinical trials.

        Ongoing Projects
        1 R01MD006231-01 (Li) 06/09/11-03/31/2014
        NIH/NIMHD $750,000 (direct)
        Health Care Reform and Disparities in the Care and Outcomes of Trauma Patients
        This project evaluates the impact of Health Care Reform on the reduction of disparities in trauma care. Role: PI

        1P01AI095985-01 (Barouch/Johnson, M-PIs; Harvard Medical School) 09/01/11-08/31/16
        NIH/NIAID $727,649 (subcontract)
        Consortium for AIDS Vaccine Research in Nonhuman Primates
        The overall goal of this national consortium project is to identify vaccine and immunologic interventions that will attenuate the early events of mucosal SIV/SHIV infection. Role: PI of Biostatistics Sub-core

        State Service Contracts (Li) 07/01/10- 06/30/13
        Massachusetts Department of Public Health $375,000
        Statistical Evaluation of MA Tobacco Control Programs ,br/>This project provides statistical evaluation of the outcomes and progress of various programs and sample surveys managed by Massachusetts Tobacco Control Program. Role: PI

        1 P50 HS018910-01 (Franklin P, Dept. of Orthopedics) 10/1/10-09/30/15
        AHRQ $11,988,360
        Improving Orthopedic Outcomes Through a National TJR Registry
        This project develops a national registry of total joint replacement surgery patients, and uses the data for outcomes assessment, safety surveillance and comparative effectiveness research. Role: Co-I/Biostatistician

        1 R01 LM010942-01 (Li X, UMass Lowell) 09/01/11-08/31/14
        NIH/NLM $706,669
        New Technology to Preserve Patient Privacy and Data Quality in Health Research
        This project will develop and test new algorithms and associated software to protect patient privacy when sharing PHI data for research. Role: Co-I

        Contract INTF2900HH2706811076 (Li) 03/01/12-06/30/13
        CDC/Massachusetts Department of Public Health (MDPH) $317,000
        Evaluation of Mass in Motion and CTG Programs
        This project provides statistical evaluation of the effectiveness of Mass in Motion and CTG programs managed by MDPH. Role: PI

        LSMF (Li) 08/1/12-07/31/13UMCCTS (NIH U54 CTSA) (Li) $100,000
        Residential Environment And Coronary Heart Disease Risk Factors (REACH) Pilot Study
        This pilot project develops and tests new instruments for surveying food purchasing behaviors and use of exercise places among older women. The study will test a battery of dietary and physical activity instruments among 100 community-dwelling older women. Role: PI


        Dr. Li, Associate Professor of Medicine (Biostatistics), is interested in identifying racial and socioeconomic disparities in health, and helping public health agencies to prioritize their prevention or research efforts. His Health Statistics and Geography Lab focuses on assessing neighborhood environmental impact on health and health behaviors. His current projects involve research into traumatic injuries, elderly falls and bone fractures, arthritis, obesity, diabetes, physical inactivity, nutrition, cigarette smoking, and HIV vaccine development. He also conducts methodological research on survey sampling, small area estimation and randomized clinical trials.

        Ongoing Projects


        1 R01MD006231-01 (Li) 06/09/11-03/31/2015
        NIH/NIMHD
        Health Care Reform and Disparities in the Care and Outcomes of Trauma Patients
        This project evaluates the impact of Health Care Reform on the reduction of disparities in trauma care. Role: PI

        1P01AI095985-01 (Barouch/Johnson, M-PIs; Harvard Medical School) 09/01/11-08/31/16
        NIH/NIAID (subcontract)
        Consortium for AIDS Vaccine Research in Nonhuman Primates
        The overall goal of this national consortium project is to identify vaccine and immunologic interventions that will attenuate the early events of mucosal SIV/SHIV infection. Role: PI of Biostatistics Sub-core

        State Service Contracts (Li) 07/01/10- 06/30/14
        Massachusetts Department of Public Health
        Statistical Evaluation of MA Tobacco Control Programs ,br/>This project provides statistical evaluation of the outcomes and progress of various programs and sample surveys managed by Massachusetts Tobacco Control Program. Role: PI

        1 P50 HS018910-01 (Franklin P, Dept. of Orthopedics) 10/1/10-09/30/15
        AHRQ
        Improving Orthopedic Outcomes Through a National TJR Registry
        This project develops a national registry of total joint replacement surgery patients, and uses the data for outcomes assessment, safety surveillance and comparative effectiveness research. Role: Co-I/Biostatistician

        1 R01 LM010942-01 (Li X, UMass Lowell) 09/01/11-08/31/14
        NIH/NLM $706,669
        New Technology to Preserve Patient Privacy and Data Quality in Health Research
        This project will develop and test new algorithms and associated software to protect patient privacy when sharing PHI data for research. Role: Co-I

        Contract INTF2900HH2706811076 (Li) 03/01/12-06/30/14
        CDC/Massachusetts Department of Public Health (MDPH)
        Evaluation of Mass in Motion and CTG Programs
        This project provides statistical evaluation of the effectiveness of Mass in Motion and CTG programs managed by MDPH. Role: PI
         



        Rotation Projects

        1) Health Geography: GIS Applications in Public Health and Clinical Research

        2) Statistical design and analysis of probability sample survey

        3) Statitsical analysis of registry-based clinical data

        4) Design and analysis of randomized clinical trials

        5) Analysis of hospital discharge databases



        Post Docs

        For post-doc training, please contact Dr. Li at Wenjun.Li@umassmed.edu



        Bibliographic 
        selected publications
        List All   |   Timeline
        1. Zheng H, Rosal MC, Oatis CA, Li W, Franklin PD. Tailored system to deliver behavioral intervention and manage data in randomized trials. J Med Internet Res. 2013; 15(4):e58.
          View in: PubMed
        2. Kelsey JL, Procter-Gray E, Hannan MT, Li W. Heterogeneity of falls among older adults: implications for public health prevention. Am J Public Health. 2012 Nov; 102(11):2149-56.
          View in: PubMed
        3. Kelsey JL, Procter-Gray E, Berry SD, Hannan MT, Kiel DP, Lipsitz LA, Li W. Reevaluating the implications of recurrent falls in older adults: location changes the inference. J Am Geriatr Soc. 2012 Mar; 60(3):517-24.
          View in: PubMed
        4. Li W, Stanek EJ, Singer JM. Design-based random permutation models with auxiliary information(¶) Statistics (Ber). 2012 Jan 1; 46(5):663-671.
          View in: PubMed
        5. Rosal MC, Ayers D, Li W, Oatis C, Borg A, Zheng H, Franklin P. A randomized clinical trial of a peri-operative behavioral intervention to improve physical activity adherence and functional outcomes following total knee replacement. BMC Musculoskelet Disord. 2011; 12:226.
          View in: PubMed
        6. Ma Y, Chiriboga DE, Pagoto SL, Rosal MC, Li W, Merriam PA, Hébert JR, Whited MC, Ockene IS. Association between Depression and C-Reactive Protein. Cardiol Res Pract. 2010; 2011:286509.
          View in: PubMed
        7. Briggs VG, Li W, Kaplan MS, Eskander MS, Franklin PD. Injection treatment and back pain associated with degenerative lumbar spinal stenosis in older adults. Pain Physician. 2010 Dec; 13(6):E347-55.
          View in: PubMed
        8. Potts JA, Thomas SJ, Srikiatkhachorn A, Supradish PO, Li W, Nisalak A, Nimmannitya S, Endy TP, Libraty DH, Gibbons RV, Green S, Rothman AL, Kalayanarooj S. Classification of dengue illness based on readily available laboratory data. Am J Trop Med Hyg. 2010 Oct; 83(4):781-8.
          View in: PubMed
        9. Kelsey JL, Berry SD, Procter-Gray E, Quach L, Nguyen US, Li W, Kiel DP, Lipsitz LA, Hannan MT. Indoor and outdoor falls in older adults are different: the maintenance of balance, independent living, intellect, and Zest in the Elderly of Boston Study. J Am Geriatr Soc. 2010 Nov; 58(11):2135-41.
          View in: PubMed
        10. Kelsey JL, Procter-Gray E, Nguyen US, Li W, Kiel DP, Hannan MT. Footwear and Falls in the Home Among Older Individuals in the MOBILIZE Boston Study. Footwear Sci. 2010 Sep; 2(3):123-129.
          View in: PubMed
        11. Franklin PD, Karbassi JA, Li W, Yang W, Ayers DC. Reduction in narcotic use after primary total knee arthroplasty and association with patient pain relief and satisfaction. J Arthroplasty. 2010 Sep; 25(6 Suppl):12-6.
          View in: PubMed
        12. Lemon SC, Zapka J, Li W, Estabrook B, Rosal M, Magner R, Andersen V, Borg A, Hale J. Step ahead a worksite obesity prevention trial among hospital employees. Am J Prev Med. 2010 Jan; 38(1):27-38.
          View in: PubMed
        13. Merriam PA, Ma Y, Olendzki BC, Schneider KL, Li W, Ockene IS, Pagoto SL. Design and methods for testing a simple dietary message to improve weight loss and dietary quality. BMC Med Res Methodol. 2009; 9:87.
          View in: PubMed
        14. Lemon SC, Olendzki B, Magner R, Li W, Culver AL, Ockene I, Goldberg RJ. The dietary quality of persons with heart failure in NHANES 1999-2006. J Gen Intern Med. 2010 Feb; 25(2):135-40.
          View in: PubMed
        15. Lemon SC, Zapka J, Li W, Estabrook B, Magner R, Rosal MC. Perceptions of worksite support and employee obesity, activity, and diet. Am J Health Behav. 2009 May-Jun; 33(3):299-308.
          View in: PubMed
        16. Chiriboga DE, Ma Y, Li W, Stanek EJ, Hébert JR, Merriam PA, Rawson ES, Ockene IS. Seasonal and sex variation of high-sensitivity C-reactive protein in healthy adults: a longitudinal study. Clin Chem. 2009 Feb; 55(2):313-21.
          View in: PubMed
        17. Doubeni CA, Li W, Fouayzi H, DiFranza JR. Perceived accessibility of cigarettes among youth: a prospective cohort study. Am J Prev Med. 2009 Mar; 36(3):239-42.
          View in: PubMed
        18. Li W, Land T, Zhang Z, Keithly L, Kelsey JL. Small-area estimation and prioritizing communities for tobacco control efforts in Massachusetts. Am J Public Health. 2009 Mar; 99(3):470-9.
          View in: PubMed
        19. Li W, Kelsey JL, Zhang Z, Lemon SC, Mezgebu S, Boddie-Willis C, Reed GW. Small-area estimation and prioritizing communities for obesity control in Massachusetts. Am J Public Health. 2009 Mar; 99(3):511-9.
          View in: PubMed
        20. Franklin PD, Li W, Ayers DC. The Chitranjan Ranawat Award: functional outcome after total knee replacement varies with patient attributes. Clin Orthop Relat Res. 2008 Nov; 466(11):2597-604.
          View in: PubMed
        21. Doubeni CA, Li W, Fouayzi H, Difranza JR. Perceived accessibility as a predictor of youth smoking. Ann Fam Med. 2008 Jul-Aug; 6(4):323-30.
          View in: PubMed
        22. Ma Y, Hébert JR, Li W, Bertone-Johnson ER, Olendzki B, Pagoto SL, Tinker L, Rosal MC, Ockene IS, Ockene JK, Griffith JA, Liu S. Association between dietary fiber and markers of systemic inflammation in the Women's Health Initiative Observational Study. Nutrition. 2008 Oct; 24(10):941-9.
          View in: PubMed
        23. Ma Y, Li W, Olendzki BC, Pagoto SL, Merriam PA, Chiriboga DE, Griffith JA, Bodenlos J, Wang Y, Ockene IS. Dietary quality 1 year after diagnosis of coronary heart disease. J Am Diet Assoc. 2008 Feb; 108(2):240-6; discussion 246-7.
          View in: PubMed
        24. Li W, Stanek EJ, Bertone-Johnson ER. Should adjustment for covariates be used in prevalence estimations? Epidemiol Perspect Innov. 2008; 5:2.
          View in: PubMed
        25. Ma Y, Olendzki BC, Merriam PA, Chiriboga DE, Culver AL, Li W, Hébert JR, Ockene IS, Griffith JA, Pagoto SL. A randomized clinical trial comparing low-glycemic index versus ADA dietary education among individuals with type 2 diabetes. Nutrition. 2008 Jan; 24(1):45-56.
          View in: PubMed
        26. Chiriboga DE, Ma Y, Li W, Olendzki BC, Pagoto SL, Merriam PA, Matthews CE, Hebert JR, Ockene IS. Gender differences in predictors of body weight and body weight change in healthy adults. Obesity (Silver Spring). 2008 Jan; 16(1):137-45.
          View in: PubMed
        27. Libraty DH, Myint KS, Murray CK, Gibbons RV, Mammen MP, Endy TP, Li W, Vaughn DW, Nisalak A, Kalayanarooj S, Hospenthal DR, Green S, Rothman AL, Ennis FA. A comparative study of leptospirosis and dengue in Thai children. PLoS Negl Trop Dis. 2007; 1(3):e111.
          View in: PubMed
        28. Franklin PD, McLaughlin J, Boisvert CB, Li W, Ayers DC. Pilot study of methods to document quantity and variation of independent patient exercise and activity after total knee arthroplasty. J Arthroplasty. 2006 Sep; 21(6 Suppl 2):157-63.
          View in: PubMed
        29. Li W, Keegan TH, Sternfeld B, Sidney S, Quesenberry CP, Kelsey JL. Outdoor falls among middle-aged and older adults: a neglected public health problem. Am J Public Health. 2006 Jul; 96(7):1192-200.
          View in: PubMed
        30. Ma Y, Griffith JA, Chasan-Taber L, Olendzki BC, Jackson E, Stanek EJ, Li W, Pagoto SL, Hafner AR, Ockene IS. Association between dietary fiber and serum C-reactive protein. Am J Clin Nutr. 2006 Apr; 83(4):760-6.
          View in: PubMed
        31. Ma Y, Li Y, Chiriboga DE, Olendzki BC, Hebert JR, Li W, Leung K, Hafner AR, Ockene IS. Association between carbohydrate intake and serum lipids. J Am Coll Nutr. 2006 Apr; 25(2):155-63.
          View in: PubMed
        32. Ma Y, Olendzki B, Chiriboga D, Hebert JR, Li Y, Li W, Campbell M, Gendreau K, Ockene IS. Association between dietary carbohydrates and body weight. Am J Epidemiol. 2005 Feb 15; 161(4):359-67.
          View in: PubMed
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