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 NCS Study Locations by Recruitment Strategy and Size of Enrollment as of December 2013

Study Location State Size of Enrollment
(# of children enrolled)
Recruitment Strategy
Arizona <100 ARS - Enhanced Household-Based
Arkansas 100-199 ARS - Provider-Based
California <100 ARS - Provider-Based
California <100 ARS - Direct Outreach
California 100-199 IVS - Initial Vanguard Study
California 100-199 ARS - Enhanced Household-Based
Connecticut <100 ARS - Provider-Based
Colorado 100-199 ARS - Direct Outreach
Florida 100-199 ARS - Enhanced Household-Based
Georgia 100-199 ARS - Direct Outreach
Hawaii <100 ARS - Enhanced Household-Based
Illinois <100 ARS - Direct Outreach
Iowa 100-199 ARS - Enhanced Household-Based
Kentucky 100-199 PBS - Provider-Based Sampling
Louisiana <100 ARS - Direct Outreach
Maine 100-199 ARS - Enhanced Household-Based
Maryland <100 IVS - Initial Vanguard Study
Massachusetts 200+ PBS - Provider-Based Sampling
Michigan 100-199 ARS - Provider-Based
Minnesota 100-199 ARS - Direct Outreach
Mississippi <100 ARS - Provider-Based
Missouri <100 ARS - Enhanced Household-Based
New Mexico <100 ARS - Enhanced Household-Based
New York <100 IVS - Initial Vanguard Study
North Carolina 100-199 IVS - Initial Vanguard Study
North Carolina 100-199 ARS - Provider-Based
Ohio <100 ARS - Enhanced Household-Based
Pennsylvania 100-199 IVS - Initial Vanguard Study
Pennsylvania 100-199 ARS - Provider-Based
Pennsylvania 100-199 ARS - Direct Outreach
Rhode Island <100 ARS - Provider-Based
South Dakota 200+ IVS - Initial Vanguard Study
Tennessee 100-199 ARS - Direct Outreach
Texas 100-199 ARS - Provider-Based
Texas <100 ARS - Provider-Based
Texas 200+ PBS - Provider-Based Sampling
Utah 200+ ARS - Direct Outreach
Utah 200+ IVS - Initial Vanguard Study
Washington 100-109 ARS - Enhanced Household-Based
Wisconsin 100-199 IVS - Initial Vanguard Study
  4/14/2014
  4/14/2014