The Hannon Group was invited to present at the 141st American Public Health Association (APHA) Annual Meeting (November 2 - November 6, 2013) in Boston, MA. The Hannon Group will present a report on its research and evaluation of a national construction safety campaign funded by the Centers for Disease Control and Prevention. The title of the paper is Role of evaluation in the evolution of the "safety pays, falls cost" residential construction contractors and workers campaign."