| 
|  | Total | Do not smoke
 | Smoke |  | Not stated |  
| Smoke inside
 | Smoke outside
 |  
| Mother | Total | 46,961 |  | 38,547 | 8,159 | 5,729 | 2,286 | 255 |  
|  | 100.0 | 82.1 | 17.4 | 12.2 | 4.9 | 0.5 |  
| under 20 years old | 402 | 100.0 | 54.7 | 44.3 | 31.3 | 11.7 | 1.0 |  
| 20-24 | 4,855 | 100.0 | 64.7 | 34.7 | 24.4 | 9.7 | 0.6 |  
| 25-29 | 16,731 | 100.0 | 80.1 | 19.5 | 13.7 | 5.4 | 0.4 |  
| 30-34 | 17,889 | 100.0 | 86.8 | 12.6 | 8.9 | 3.5 | 0.6 |  
| 35-39 | 6,170 | 100.0 | 88.5 | 11.0 | 7.2 | 3.5 | 0.6 |  
| 40 years old and over | 914 | 100.0 | 86.9 | 11.8 | 8.8 | 2.7 | 1.3 |  
| Father | Total | 45,917 |  | 16,644 | 29,013 | 16,495 | 11,838 | 260 |  
|  | 100.0 | 36.2 | 63.2 | 35.9 | 25.8 | 0.6 |  
| under 20 years old | 142 | 100.0 | 16.2 | 83.8 | 49.3 | 31.7 | - |  
| 20-24 | 3,075 | 100.0 | 16.0 | 83.4 | 48.9 | 32.5 | 0.6 |  
| 25-29 | 12,067 | 100.0 | 28.4 | 71.1 | 40.7 | 28.7 | 0.5 |  
| 30-34 | 16,682 | 100.0 | 39.0 | 60.4 | 34.0 | 25.0 | 0.5 |  
| 35-39 | 9,452 | 100.0 | 45.0 | 54.4 | 29.9 | 23.3 | 0.5 |  
| 40 years old and over | 4,316 | 100.0 | 43.8 | 55.2 | 33.0 | 20.8 | 0.9 |  |