|  |  | Years of use of mentholated cigarettes | |||
---|---|---|---|---|---|---|
 |  |  | Never | 1-15 | > 15 | Ever a |
Gender/Race | No. of Cases | Adjusted | RR | RR (CI) | RR (CI) | RR (CI) |
Male/Both | 435 | Nob | 1.00 | 0.58 (0.39-0.86) | 0.62 (0.42-0.93) | 0.60 (0.45-0.80) |
 |  | Age, racec | 1.00 | 0.61 (0.41-0.90) | 0.71 (0.48-1.06) | 0.66 (0.49-0.88) |
 |  | Age, race and othersd | 1.00 | 0.67 (0.43-1.05) | 0.91 (0.57-1.46) | 0.77 (0.55-1.08) |
Female/Both | 208 | Nob | 1.00 | 0.67 0.42-1.09) | 0.75 (0.51-1.11) | 0.72 (0.52-1.00) |
 |  | Age, racec | 1.00 | 0.76 (0.47-1.23) | 0.89 (0.60-1.32) | 0.84 (0.60-1.16) |
 |  | Age, race and othersd | 1.00 | 1.14 (0.66-1.95) | 1.00 (0.63-1.60) | 1.05 (0.72-1.55) |
Both/White people | 515 | Nob | 1.00 | 0.69 (0.49-0.98) | 0.71 (0.50-1.01) | 0.70 (0.54-0.91) |
 |  | Age, genderc | 1.00 | 0.71 (0.50-1.01) | 0.87 (0.61-1.24) | 0.78 (0.60-1.01) |
 |  | Age, gender and othersd | 1.00 | 0.86 (0.59-1.28) | 1.01 (0.68-1.51) | 0.93 (0.69-1.24) |
Both/Black people | 128 | Nob | 1.00 | 0.40 (0.21-0.74) | 0.50 (0.32-0.79) | 0.46 (0.31-0.69) |
 |  | Age, genderc | 1.00 | 0.52 (0.28-0.97) | 0.69 (0.44-1.09) | 0.63 (0.42-0.94) |
 |  | Age, gender and othersd | 1.00 | 0.60 (0.27-1.35) | 1.21 (0.64-2.26) | 0.91 (0.52-1.59) |
Both/Both | 643 | Nob | 1.00 | 0.59 (0.43-0.79) | 0.60 (0.46-0.79) | 0.59 (0.48-0.74) |
 |  | Age, race and genderc | 1.00 | 0.65 (0.48-0.88) | 0.76 (0.58-1.00) | 0.70 (0.57-0.88) |
 |  | Age, race, gender and othersd | 1.00 | 0.80 (0.57-1.13) | 0.97 (0.70-1.34) | 0.89 (0.69-1.14) |