| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1621 |
34.6%
|
| 2 | Father only | 1986 |
42.4%
|
| 3 | Mother only | 204 |
4.4%
|
| 4 | Both | 337 |
7.2%
|
| 5 | I don't know | 59 |
1.3%
|
| 6 | My brothers and sisters or other relatives who live together at home smoke. | 474 |
10.1%
|
| Sysmiss | 40 |