| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke | 1867 |
76.3%
|
| 2 | I never smoke or I never smoke in pack | 370 |
15.1%
|
| 3 | Less than 2,000 Kip | 174 |
7.1%
|
| 4 | 2,100 - 4,000 Kip | 28 |
1.1%
|
| 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 | 3 |
0.1%
|
| Sysmiss | 11 |