
Smart usage environment
Variable | Category | N | % |
---|---|---|---|
Smartphone where to use (duplicate response) | Home/dormitory | 206 | 45.8 |
Library | 21 | 4.7 | |
Classroom | 78 | 17.3 | |
Restaurant | 40 | 8.9 | |
Public transportation | 104 | 23.1 | |
Etc. | 1 | 0.2 | |
Smartphone posture of use (duplicate response) | Sit down | 159 | 35.9 |
Lie down | 157 | 35.4 | |
Standing | 82 | 18.5 | |
Lying down | 45 | 10.2 | |
Smartphone purpose of use (duplicate response) | Search | 115 | 17.3 |
Game | 82 | 12.3 | |
Document work | 33 | 5.0 | |
Instagram, YouTube, Facebook | 191 | 28.7 | |
Phone call | 107 | 16.1 | |
Music, movies | 135 | 20.3 | |
Etc. | 2 | 0.3 | |
Smartphone average usage time | <1 h | 4 | 1.9 |
≤1 h, <2 h | 12 | 5.7 | |
≤2 h, <3 h | 42 | 20.1 | |
≤3 h, <4 h | 42 | 20.1 | |
≤4 h | 108 | 51.7 | |
Etc. | 1 | 0.5 |