Nearly nine in 10 students in the Harris Poll survey sponsored by Pearson used a laptop on a regular basis, compared to 83 percent who said they used a smartphone. Last year, 72 percent of survey respondents said they used a smartphone. Tablet use is increasing more slowly, with 45 percent of surveyed students saying they used one regularly -- up 5 percent from the year before.
https://www.insidehighered.com/quicktakes/2014/09/11/smartphone-use-rising-fast-among-college-students
Complete report: http://www.pearsoned.com/wp-content/uploads/Pearson-HE-Student-Mobile-Device-Survey-PUBLIC-Report-051614.pdf