| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 62888 |
82.1%
|
| 2 | Little, 1 or 2 cig/week | 4308 |
5.6%
|
| 3 | Occasional, 5 cig/day | 3941 |
5.1%
|
| 4 | Regular, 10 cig/day | 3198 |
4.2%
|
| 5 | Heavy, 15+ cig/day | 2275 |
3%
|
| Sysmiss | 23569 |