Carolina Population Center University of North Carolina at Chapel Hill 123 W. Franklin Street Chapel Hill, NC 27516 Phone: 919-966-7482 Fax: 919-966-2391 measure@unc.edu www.cpc.unc.edu/measure Collaborating Partners: Macro International Inc. 11785 Beltsville Drive Suite 300 Calverton, MD 20705-3119 Phone: 301-572-0200 Fax: 301-572-0999 measure@macroint.com John Snow Research and Training Institute 1616 N. Ft. Myer Drive 11 th Floor Arlington, VA 22209 Phone: 703-528-7474 Fax: 703-528-7480 measure_project@jsi.com Tulane University 1440 Canal Street Suite 2200 New Orleans, LA 70112 Phone: 504-584-3655 Fax: 504-584-3653 measure2@tulane.edu Funding Agency: Center for Population, Health and Nutrition U.S. Agency for International Development Washington, DC 20523-3600 Phone: 202-712-4959 WP-02-53 An Assessment of the Quality of National Child Immunization Coverage Estimates in Population-based Surveys Jennifer Brown, Roeland Monasch, George Bicego, Anthony Burton, and J. Ties Boerma August 2002