Household caregiver responses regarding source of information on the 2009 influenza A H1N1 pandemic (pH1N1)*.

* Schools selected randomly (irrespective of size) from each of the eight public health preparedness regions in Michigan.†p-Values are calculated based on Pearson's Chi-square test.‡Government Health Officials include the U.S. Centers for Disease Control and Prevention as well as state and local health departments in Michigan.§Schools include teachers, principals, superintendents, school staff, PTA (Parent and Teacher Association) and school websites.