- Early childhood lead exposure and academic achievement: evidence from Detroit public schools, 2008-2010Nanhua Zhang
Department of Epidemiology and Biostatistics, University of South Florida, Tampa, FL 33612 3805, USA
Am J Public Health 103:e72-7. 2013..We assessed the long-term effect of early childhood lead exposure on academic achievement in mathematics, science, and reading among elementary and junior high school children...
- A pseudo-Bayesian shrinkage approach to regression with missing covariatesNanhua Zhang
Department of Epidemiology and Biostatistics, College of Public Health, University of South Florida, Tampa, Florida 33612 3085, USA
Biometrics 68:933-42. 2012..We illustrate favorable properties of the method by simulation, and apply the proposed method to a liver cancer study. Extension of the method to more than one missing covariate is also discussed...