|  |  | NAT1 rapid acetylators |  | NAT1 slow/intermediate acetylators | |||||
---|---|---|---|---|---|---|---|---|---|---|
Population | Risk factors | Variables | Controls | Cases | OR (95% CI)a | P-value | Controls | Cases | OR (95% CI)a | P-value |
Black | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Tobacco smoking | Never smokers | 84 | 61 | 1 (Ref) |  | 166 | 109 | 1 (Ref) |  |
 |  | Smokersb | 71 | 81 | 1.71 (0.73-4.04) | 0.218 | 142 | 186 | 3.41 (1.95-5.96) | <0.0001 |
 | Tot cigarettes/day | 0 | 84 | 61 | 1 (Ref) |  | 166 | 109 | 1 (Ref) |  |
 |  | ≤9 | 45 | 50 | 1.80 (0.72-4.53) | 0.208 | 87 | 123 | 3.96 (2.19-7.13) | <0.0001 |
 |  | ≥10 | 24 | 31 | 2.06 (0.73-5.84) | 0.174 | 45 | 57 | 2.97 (1.47-5.99) | 0.002 |
 | Alcohol drinking | Non-drinkers | 66 | 53 | 1 (Ref) |  | 130 | 112 | 1 (Ref) |  |
 |  | Drinkersc | 89 | 89 | 1.17 (0.52-2.59) | 0.707 | 177 | 182 | 0.87 (0.54-1.40) | 0.570 |
Red meat intake d | 3 times/week or less | − | 81 |  |  | − | 168 | 1 (Ref) |  |  |
 |  | Daily or almost daily | − | 12 |  |  | − | 23 | 0.93 (0.43-2.0) | 0.851 |
 | White meat intaked | 3 times/week or less | − | 56 |  |  | − | 87 | 1 (Ref) |  |
 |  | Daily or almost daily | − | 38 |  |  | − | 104 | 1.82 (1.09-3.04) | 0.023 |
Mixed Ancestry | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Tobacco smoking | Never smokers | 17 | 1 | 1 (Ref) |  | 43 | 14 | 1 (Ref) |  |
 |  | Smokersb | 33 | 46 | − | − | 191 | 194 | − | − |
 | Tot cigarettes/day | 0 | 17 | 1 | 1 (Ref) |  | 43 | 14 | 1 (Ref) |  |
 |  | ≤9 | 17 | 24 | − | − | 101 | 58 | − | − |
 |  | ≥10 | 11 | 20 | − | − | 77 | 133 | − | − |
 | Alcohol drinking | Non-drinkers | 21 | 12 | 1 (Ref) |  | 93 | 39 | 1 (Ref) |  |
 |  | Drinkersc | 29 | 35 | 0.80 (0.19-3.44) | 0.764 | 140 | 170 | 3.41 (1.70-6.81) | 0.001 |
 | Red meat intaked | 3 times/week or less | − | 22 |  |  | − | 81 | 1 (Ref) |  |
 |  | Daily or almost daily | − | 7 |  |  | − | 42 | 1.32 (0.49-3.55) | 0.586 |
 | White meat intaked | 3 times/week or less | − | 16 |  |  | − | 56 | 1 (Ref) |  |
 |  | Daily or almost daily | − | 13 |  |  | − | 66 | 1.58 (0.68-3.67) | 0.288 |