|  | Never smoked | Ex smoker |  | Current smoker |  | Total | ||
---|---|---|---|---|---|---|---|---|---|
 |  | Total | Total | Menthol | Non-menthol | Total | Menthol | Non-menthol | Total |
 |  | (1) |  | (2) | (3) |  | (4) | (5) |  |
 | White people |  |  |  |  |  |  |  |  |
 | Frequency1 | 0.501 | 0.262 |  |  | 0.237 |  |  | 1.000 |
 | Menthol proportionb |  |  | 0.218 | 0.782 |  | 0.218 | 0.782 |  |
(a) | Frequency by menthol | 0.501 | Â | 0.057 | 0.205 | Â | 0.052 | 0.185 | 1.000 |
(b) | Risk relative to never smokersc | 1.00 | 9.36 | 9.36RR | 9.36 | 22.36 | 22.36RR | 22.36 | Â |
 | Black people |  |  |  |  |  |  |  |  |
 | Frequency1 | 0.572 | 0.158 |  |  | 0.270 |  |  | 1.000 |
 | Menthol proportionb |  |  | 0.835 | 0.165 |  | 0.835 | 0.165 |  |
(a) | Frequency by menthol | 0.572 | Â | 0.132 | 0.026 | Â | 0.225 | 0.045 | 1.000 |
(b) | Risk relative to never smokersc | 1.00 | 9.36 | 9.36RR | 9.36 | 22.36 | 22.36RR | 22.36 | Â |
 | Assumed value of RR |  |  | Black/White relative riskd |  |  | |||
 | 1.0 |  |  |  | 0.980 |  |  |  | |
 | 1.1 |  |  |  | 1.035 |  |  |  | |
 | 1.2 |  |  |  | 1.088 |  |  |  | |
 | 1.3 |  |  |  | 1.138 |  |  |  | |
 | 1.5 |  |  |  | 1.234 |  |  |  | |
 | 1.8 |  |  |  | 1.365 |  |  |  | |
 | 2.0 |  |  |  | 1.445 |  |  |  |