| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
6.5%
|
|
| 1 | 7 |
11.3%
|
|
| 2 | 1 |
1.6%
|
|
| if get lost | 1 |
1.6%
|
|
| language barrier when calling the call centre for assistant | 1 |
1.6%
|
|
| n/a | 42 |
67.7%
|
|
| no electricity available to charge cell phone battery | 1 |
1.6%
|
|
| no electricity to charge mobile battery | 1 |
1.6%
|
|
| no electricity to charge phone | 1 |
1.6%
|
|
| only when I urgently need to call so if not then I rarely use my mobile to call | 1 |
1.6%
|
|
| to difficult to charge mobile battery because the places with electricity are too far | 1 |
1.6%
|
|
| when airtime got finish | 1 |
1.6%
|