Table 5.

ORs and 95% CIs for male smokers according to years since quitting, men only

Years since quittingCases/controlsOR (95% CI)
All smokers
    Current smokers*394/2541.0
    2-454/500.6 (0.4-1.0)
    5-985/541.0 (0.7-1.5)
    10-19126/1370.7 (0.5-1.0)
    ≥2085/1160.8 (0.5-1.3)
P = 0.24
Black tobacco smokers only
    Current smokers*172/1051.0
    2-426/200.8 (0.4-1.5)
    5-942/270.9 (0.5-1.6)
    10-1978/720.9 (0.5-1.5)
    ≥2062/720.6 (0.3-1.2)
P = 0.79
Blond tobacco smokers only
    Current smokers*59/531.0
    2-45/80.5 (0.1-1.8)
    5-97/90.7 (0.2-2.2)
    10-1910/240.2 (0.04-0.6)
    ≥203/200.2 (0.1-0.9)
P = 0.001
  • NOTE: Adjusted for age, hospital region, duration smoked, fruit/vegetable consumption, and high-risk occupation.

  • * Subjects were defined as current smokers if the year they quit smoking was within 1 year of the interview, adjusted for tobacco type.

  • Smokers of both black and blond tobacco were excluded.