| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 1990 |
83.2%
|
| 2 | At home | 79 |
3.3%
|
| 3 | At school | 22 |
0.9%
|
| 4 | At working place | 59 |
2.5%
|
| 5 | At friends house | 83 |
3.5%
|
| 6 | Social events | 63 |
2.6%
|
| 7 | At public places (e.g public parks, shopping center, street corner, entertainment places….) | 7 |
0.3%
|
| 8 | Others | 89 |
3.7%
|
| Sysmiss | 12 |