Table 3

Parental current tobacco use at baseline as risk factor for adolescents’ any current use of cigarettes and snus in the eighth grade

Snus (boys)Cigarettes 
 (both sexes)Any use 
 (both sexes)
Exposure to:OR95 % CIOR95 % CIOR95 % CI
*Adjusted for the other parent’s use of tobacco (any v none).
Mother’s tobacco use*
    No tobacco use1.01.01.0
    Only snus2.20.5 to 10.90.50.1 to 3.61.30.4 to 4.4
    Only cigarettes1.70.9 to 2.92.21.5 to 3.12.21.6 to 3.0
    Both cigarettes and snus2.40.3 to 22.52.80.6 to 13.63.40.9 to 13.5
Father’s tobacco use*
    No tobacco use1.01.01.0
    Only snus2.41.3 to 4.41.00.6 to 1.61.40.9 to 2.0
    Only cigarettes1.60.8 to 3.11.40.9 to 2.11.40.9 to 2.0
    Both cigarettes and snus2.30.9 to 5.51.30.7 to 2.41.50.9 to 2.7
Parents’ use of tobacco
    Neither parent1.01.01.0
    One parent1.30.7 to 2.32.11.5 to 3.02.01.5 to 2.8
    Both parents3.72.1 to 6.82.11.3 to 3.22.71.8 to 3.9