Skip to main content

Table 4 Risk of lung cancer by mentholated cigarette use among current smokers - American Health Foundation multicentre case control study [68]

From: Systematic review of the epidemiological evidence comparing lung cancer risk in smokers of mentholated and unmentholated cigarettes

Histological type of lung cancer     Years of use of mentholated cigarettes
   No. of   Neverb 1-14 15+ Everc
  Gender Cases Adjusteda RR RR (CI) RR (CI) RR (CI)
Any Male 588 Nod 1.00 0.98 (0.72-1.33) 0.87 (0.64-1.20) 0.92 (0.73-1.17)
    Yes 1.00 1.14 (0.82-1.59) 0.98 (0.70-1.38) 1.06 (0.82-1.37)
  Female 456 Nod 1.00 0.56 (0.38-0.83) 0.55 (0.38-0.80) 0.56 (0.42-0.75)
    Yes 1.00 0.82 (0.52-1.28) 0.76 (0.53-1.16) 0.78 (0.57-1.08)
  Combined 1044 Nod 1.00 0.79 (0.62-1.01) 0.72 (0.57-0.92) 0.76 (0.63-0.91)
    Yesd 1.00 1.02 (0.78-1.33) 0.88 (0.68-1.14) 0.94 (0.77-1.15)
Squamous cell carcinoma Combined 268 Yes 1.00 1.17 (0.78-1.78) 0.92 (0.60-1.42) 1.04 (0.75-1.44)
Small cell carcinoma Combined 131 Yes 1.00 0.80 (0.43-1.48) 0.86 (0.49-1.51) 0.83 (0.53-1.30)
Large cell carcinoma Combined 106 Yes 1.00 1.99 (0.73-5.41) 0.84 (0.27-2.61) 1.28 (0.56-2.91)
Adenocarcinoma Combined 400 Yes 1.00 0.98 (0.68-1.42) 0.95 (0.66-1.36) 0.96 (0.73-1.28)
  1. a Yes = adjusted for age, race, education, cigarettes per day, inhalation, duration of smoking and body mass index. Combined gender analyses are also adjusted for gender.
  2. b Or less than 1 year mentholated use.
  3. c At least 1 year mentholated use.
  4. d RRs and CIs estimated as described in additional file 1: Methods for deriving RR estimates.