| Value | Category | Cases | |
|---|---|---|---|
| 1 | I don't smoke tobacco | 894 |
59.3%
|
| 2 | Curiosity and experiment | 352 |
23.4%
|
| 3 | Beer pressure | 84 |
5.6%
|
| 4 | Model effect (such as father, brother, teacher or a celebrity) | 75 |
5%
|
| 5 | Filling free time | 30 |
2%
|
| 6 | Others | 72 |
4.8%
|
| Sysmiss | 11 |