Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Prevalence and extent of mobile device use (N=633).
| Mobile device | n (%) | Hours spent using the device daily, mean (SD) |
| Mobile phone | 573 (90.5) | 4.0 (3.6) |
| Feature phone | 49 (7.7) | 1.5 (2.2) |
| Tablet computer | 209 (33.0) | 2.5 (2.5) |
| Other | 23 (3.6) | 4.5 (3.6) |
| Not using any mobile devices | 18 (2.8) | — |
| No response or erroneous data | 3 (0.5) | — |
