| Smoker in family | No | 1778 | 66.1% | 375 | 14.0% | 535 | 19.9% | 110.738 | <0.001 | |
| 10.4 | −4.5 | −8.1 | ||||||||
| Yes | 1734 | 52.8% | 599 | 18.2% | 953 | 29.0% | ||||
| −10.4 | 4.5 | 8.1 | ||||||||
| Father | 1212 | 51.2% | 441 | 18.6% | 712 | 30.1% | 93.509 | <0.001 | ||
| −9.6 | 4.0 | 7.5 | ||||||||
| Mother | 437 | 43.2% | 214 | 21.1% | 361 | 35.7% | 124.676 | <0.001 | ||
| −11.1 | 4.6 | 8.7 | ||||||||
| Parents | 264 | 41.8% | 137 | 21.7% | 230 | 36.5% | 84.867 | <0.001 | ||
| −9.1 | 3.9 | 7.1 | ||||||||
| 2 | Intention to refuse cigarettes when offered | |||||||||
| Gender | Male | 1768 | 59.7% | 499 | 16.8% | 696 | 23.5% | 44.882 | <0.001 | |
| −6.0 | 1.1 | 6.2 | ||||||||
| Female | 2022 | 67.2% | 476 | 15.8% | 513 | 17.0% | ||||
| 6.0 | −1.1 | −6.2 | ||||||||
| Classification | Elementary school | 3262 | 63.9% | 822 | 16.1% | 1022 | 20.0% | 3.010 | 0.222 | |
| 1.7 | −1.1 | −1.0 | ||||||||
| Junior high school | 528 | 60.8% | 153 | 17.6% | 187 | 21.5% | ||||
| −1.7 | 1.1 | 1.0 | ||||||||
| Conversation | Yes | 2299 | 66.6% | 509 | 14.7% | 644 | 18.7% | 35.399 | <0.001 | |
| about cigarettes | 5.9 | −3.9 | −3.6 | |||||||
| with the family | No | 1491 | 59.1% | 466 | 18.5% | 565 | 22.4% | |||
| −5.9 | 3.9 | 3.6 | ||||||||
| Intention to speak | Yes | 2596 | 70.1% | 613 | 16.6% | 493 | 13.3% | 299.223 | <0.001 | |
| about SPEP | 13.7 | 0.6 | −17.0 | |||||||
| with family | No | 1194 | 52.6% | 362 | 15.9% | 716 | 31.5% | |||
| −13.7 | −.6 | 17.0 | ||||||||
| Smoker in family | No | 1782 | 66.3% | 441 | 16.4% | 465 | 17.3% | 27.144 | <0.001 | |
| 4.1 | 0.2 | −5.1 | ||||||||
| Yes | 2008 | 61.1% | 534 | 16.3% | 744 | 22.6% | ||||
| −4.1 | −0.2 | 5.1 | ||||||||
| Father | 1406 | 59.5% | 402 | 17.0% | 557 | 23.6% | 32.176 | <0.001 | ||
| −5.2 | 1.1 | 5.2 | ||||||||
| Mother | 580 | 57.3% | 160 | 15.8% | 272 | 26.9% | 33.952 | <0.001 | ||
| −4.4 | −0.5 | 5.8 | ||||||||
| Parents | 357 | 56.6% | 104 | 16.5% | 170 | 26.9% | 20.918 | <0.001 | ||
| −3.8 | 0.1 | 4.4 | ||||||||