| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 2345 |
91.7%
|
| 2 | At home | 81 |
3.2%
|
| 3 | At school | 5 |
0.2%
|
| 4 | At working place | 21 |
0.8%
|
| 5 | At friends house | 50 |
2%
|
| 6 | Social events | 26 |
1%
|
| 7 | At public places (e.g public parks, shopping center, street corner, entertainment places….) | 1 |
0%
|
| 8 | Others | 27 |
1.1%
|
| Sysmiss | 2 |