Wireless Substitution: Early Release of Estimates From the National Health Interview Survey, January-June 2008
National Health Interview Survey Early Release Report: “Preliminary results from the January-June 2008 National Health Interview Survey (NHIS) indicate that the number of American homes with only wireless telephones continues to grow. More than one out of every six American homes (17.5%) had only wireless telephones during the first half of 2008, an increase of …