Page Menu

Research

Mentees

Haitao Liu, Data Science Intern, Division of Biostatistics and Health Service Research, Department of Quantitative Health Sciences, UMass Chan Medical School. June 2018--August 2018.

Sravya Shankara, Biostatistics Intern, Division of Biostatistics and Health Services Research, Department of Population and Quantitative Health Sciences, UMass Chan Medical School. June 2019 ̶ August 2019.

Publications

Zhang N, Field T, Mazor K, Zhou Y, Lapane K, Gurwitz J. The increasing prevalence of obesity in residents of U.S. nursing homes: 2005-2015. J Gerontology: Med Sciences. Forthcoming.

Zhang N, Lu F, Zhou Y, Zhang B, Crawford S, Gurwitz J. Body mass index and 30-day adverse outcomes among newly admitted residents to skilled nursing facilities. J Am Med Dir Assoc. Forthcoming.

Zhang N, Zhou Y, Lu S, Zhang B, Copeland C, Gurwitz J. Body mass index, falls and hip fractures among nursing home residents. J Gerontology: Med Sciences 2018. Forthcoming. doi: 10.1093/gerona/gly039

Zhang, B., Liu, W., Zhang, N., Ash, A.S., Allison, J.J. (2018). A collection of marginalized two-part random-effects models for analyzing medical expenditure panel data: Impact of the New Cooperative Medical Scheme on healthcare expenditures in China. Statistical Methods in Medical Research, published online before print, DOI: 10.1177/ 0962280218784725.

Liu, X., Zhang, B., Tang, L., Zhang, Z., Zhang, N., Allison, J.J., Srivastava, D.K., Zhang, H. (2018). Are marginalized two-part models superior to non-marginalized two-part models for count data with excess zeroes? Estimation of marginal effects, model misspecification and selection. Health Services and Outcomes Research Methodology, Volume 18, Issue 3, Pages 175-214.

Tang, L., Zhang, H., Zhang, B. (2019). A note on error bars as a graphical representation of the variability of data in biomedical research: Standard deviation or standard error of the mean? Journal of Pancreatology, published online before print, DOI: 10.1097/JP9.0000000000000024.

Zhang, B., Liu, W., Lemon, S.C., Barton, B.A., Fischer, M.A., Lawrence, C., Rahn, E., Danila, M.I., Saag, K.G., Harris, P.A., Allison, J.J. (2019). Design, analysis, power and sample size calculation for three-phase interrupted time series analysis in evaluation of health policy interventions. Journal of Evaluation in Clinical Practice, published online before print, DOI: 10.1111/jep.13266.

Zhang, B., Ye, S., Shankara, S.B., Zhang, H., Zheng, Q. (2019). Neutral diagnosis: An innovative concept for medical device clinical trials. Contemporary Clinical Trials Communications, published online before print, DOI: 10.1016/j.conctc.2019.100436.

Zhang, B., Shankara, S.B., Ye, S., Zhang, H. (2019). Design and analysis of high-risk medical device clinical trials for diabetes monitoring and treatment: A review. Forthcoming in Journal of Pancreatology.