| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 2028 |
88.7%
|
| 2 | At home | 72 |
3.1%
|
| 3 | At school | 12 |
0.5%
|
| 4 | At working place | 15 |
0.7%
|
| 5 | At friends house | 57 |
2.5%
|
| 6 | Social events | 24 |
1%
|
| 7 | At public places (e.g public parks, shopping center, street corner, entertainment places….) | 12 |
0.5%
|
| 8 | Others | 66 |
2.9%
|
| Sysmiss | 14 |