TABLE 3

Age at First Use of Mobile Media Device by Age Cohort, N = 348

Age at First Use<1 y (n = 51), %1 y (n = 85), %2 y (n = 68), %3 y (n = 72), %4 y (n = 72), %
<1 y92.269.450.048.640.3
1 y0.028.241.231.920.8
2 y0.00.07.415.323.6
3 y0.00.00.02.812.5
4 y0.00.00.00.00.0
Never used7.82.41.51.42.8