Table 4.

Joint association of aspirin and NSAID use with lung cancer incidence, IWHS, 1992-2002

Aspirin use*
Other NSAID useHR (95% CI)Nonusers<1-5 weekly6+ weekly
Nonusers1 (referent)1.03 (0.74-1.44)1.19 (0.82-1.73)
<1-5 weekly1.09 (0.65-1.82)1.02 (0.69-1.51)1.14 (0.67-1.92)
6+ weekly1.36 (0.82-2.26)1.00 (0.54-1.83)1.23 (0.67-2.26)
  • NOTE: Adjusted for age (61-65, 66-70, and 71+ years), education (<high school, high school, and >high school), alcohol intake (continuous), smoking status (never, past, and current), pack-years (0, 1-19, 20-39, and 40+), BMI (continuous), total fruit servings weekly (continuous), and any heart disease/heart attack.

  • * Aspirin analyses adjusted for NSAID use and NSAID analyses adjusted for aspirin use.