Parental smoking as reported by men and women aged 20–45 years
| Yes | No | Don’t know | Not answered | Total | |
|---|---|---|---|---|---|
| Did your father ever smoke regularly during your childhood? | 11980 (61.5%) | 5960 (31.5%) | 641 (3.4%) | 341 (1.8%) | 18922 |
| Did your mother ever smoke regularly during your childhood or before you were born? | 5196 (27.5%) | 13143 (69.5%) | 247 (1.3%) | 336 (1.8%) | 18922 |
| If “yes” (to mother smoking): When your mother was pregnant, in particular with you, did she smoke? | 1994 (38.4%) | 741 (14.2%) | 2090 (40.1%) | 371 (7.2%) | 5196 |