|  |  | Percentage of mentholated smoking | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Gender/Race | No of cases | Â | 0 | Â | 1-19 | Â | 20-74 | Â | 75-100 | Â | Anya |
 |  | Adjusted | RR |  | RR (CI) |  | RR (CI) |  | RR (CI) |  | RR (CI) |
Both/Bothb | 337 | No | 1.00 | Â | 0.87 (0.59-1.29) | Â | 0.84 (0.55-1.29) | Â | 1.09 (0.73-1.63) | Â | 0.93 (0.70-1.23) |
 |  | Age, racec and gender | 1.00 |  | 0.94 (0.64-1.39) |  | 0.73 (0.48-1.12) |  | 0.94 (0.63-1.41) |  | 0.87 (0.66-1.15) |
 |  | Age, race, gender and othersd | 1.00 |  | 1.11 (0.71-1.72) |  | 0.90 (0.55-1.45) |  | 1.02 (0.65-1.63) |  | 1.01 (0.74-1.40) |