ABBREVIATIONS
BLL—blood lead level CDC—Centers for Disease Control and Prevention CI—confidence interval EBLL—elevated blood lead level HAZ—height-for-age z score Hgb—hemoglobin IOM—International Organization for Migration WHZ—weight-for-height z score Dr Mitchell contributed substantially to conception and design, acquisition of data, analysis, and interpretation; drafting and revision of article; and approval of cleared manuscript. Dr Jentes contributed substantially to design, analysis and interpretation of data; critical revision of article; and approval of cleared manuscript. Dr Ortega contributed substantially to conception, acquisition of data; critical revision of article; and approval of cleared manuscript. Ms Sucosky and Ms Jefferies contributed substantially to design, interpretation of data; critical revision of article; approval of cleared manuscript. Dr Bajcevic, Ms Parr, and Mr Jones contributed substantially to acquisition of data; critical revision of article; and approval of cleared manuscript. Dr Brown contributed substantially to conception and design, interpretation of data; critical revision of article; and approval of cleared manuscript. Dr Painter contributed substantially to conception and design, data analysis and interpretation; critical revision and drafting of article; and approval of cleared manuscript. www.pediatrics.org/cgi/doi/10.1542/peds.2011-1218 doi:10.1542/peds.2011-1218 Accepted for publication Sep 28, 2011