| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke | 1892 |
78.9%
|
| 2 | I never smoke or I never smoke in pack | 281 |
11.7%
|
| 3 | Less than 2,000 Kip | 185 |
7.7%
|
| 4 | 2,100 - 4,000 Kip | 29 |
1.2%
|
| 5 | 4,100 - 6,000 Kip | 2 |
0.1%
|
| 6 | 6,100 - 8,000 Kip | 1 |
0%
|
| 7 | 8,100 - 10,000 Kip | 2 |
0.1%
|
| 8 | > 10,000 Kip | 5 |
0.2%
|
| Sysmiss | 7 |