Wireless Substitution: Estimates From National Health Interview Survey, July–December 2013
Stephen J. Blumberg, Ph.D., and Julian V. Luke – Division of Health Interview Statistics, National Center for Health Statistics: “Preliminary results from the July–December 2013 National Health Interview Survey (NHIS) indicate that the number of American homes with only wireless telephones continues to grow. Two in every five American homes (41.0%) had only wireless telephones (also known …