Table 3

 Rate ratios for comparing the presence or absence of parental and peer factors influencing smoking status

Influencing factorsBoysGirls
Numbers in parentheses are 95% confidence intervals.
Parental factors
    A. Smoking
        Non-smoking parent1.01.0
        Smoking parent1.7 (1.6 to 1.8)2.2 (1.8 to 2.5)
    B. Tender loving care (TLC)
        High TLC parent1.01.0
        Low TLC parent1.6 (1.5 to 1.7)2.1 (1.9 to 2.4)
    C. Smoking and low TLC co-existed
        Non-smoking with high TLC parent1.01.0
        Smoking with low TLC parent2.7 (2.4 to 3.0)4.4 (3.6 to 5.5)
Peer factor
    A. Student with non-smoking and high TLC parent
        10th grade1.01.0
        12th grade1.7 (1.4 to 2.0)1.5 (1.0 to 2.3)
    B. Student with non-smoking and low TLC parent
        10th grade1.01.0
        12th grade1.6 (1.2 to 2.1)1.1 (0.6 to 1.8)
    C. Student with smoking and high TLC parent
        10th grade1.01.0
        12th grade1.9 (1.7 to 2.2)1.2 (1.0 to 1.6)
    D. Student with smoking and low TLC parent
        10th grade1.01.0
        12th grade1.5 (1.2 to 1.8)1.3 (1.0 to 1.8)