Father | Mother | p-value | ||
---|---|---|---|---|
Smoking Prevalence | ||||
Current smoker | 51.9 (726)1 | 36.1 (510) | ||
Non smoker | 30.8 (431) | 52.2 (737) | < 0.001 | |
Ex smoker | 17.2 (241) | 11.6 (164) | ||
Years | ||||
Current smoker | 18 ± 6 2 | 12 ± 5 | < 0.001 | |
Ex smoker | 14 ± 8 | 9 ± 6 | < 0.001 | |
Quantity (cigarettes/day) | ||||
Current smoker | 23 ± 12 2 | 15 ± 9 | < 0.001 | |
Ex smoker | 22 ± 15 | 12 ± 9 | < 0.001 | |
Parental Smoking | ||||
Both smokers | 25.5 (356) 3 | |||
One smoker | 37.3 (521) | |||
Both non smokers | 37.2 (519) | |||
Father | ||||
Smoker | Ex/Non smoker | p-value | ||
Mother | Smoker | 25.5 (356) 4 | 11.0 (153) | < 0.001 |
Ex/Non smoker | 26.4 (368) | 37.2 (519) |