Table 4.
Smoking-duration | Genotype | Controls | Cases | OR (95% CI) | P value |
---|---|---|---|---|---|
Never | AA | 96 | 87 | 1.0 | |
GA | 163 | 110 | 0.75 (0.51–1.09) | 0.126 | |
GG | 60 | 38 | 0.70 (0.42–1.15) | 0.159 | |
GA + GG | 223 | 148 | 0.73 (0.51–1.05) | 0.087 | |
≤ 20 (years) | AA | 30 | 39 | 1.00 | |
GA | 44 | 49 | 0.86 (0.46–1.60) | 0.628 | |
GG | 17 | 13 | 0.59 (0.25–1.40) | 0.227 | |
GA + GG | 61 | 62 | 0.78 (0.43–1.41) | 0.415 | |
> 20 (years) | AA | 43 | 98 | 1.00 | |
GA | 104 | 130 | 0.55 (0.35–0.85)a | 0.007a | |
GG | 42 | 51 | 0.53 (0.31–0.92)a | 0.022a | |
GA + GG | 146 | 181 | 0.54 (0.36–0.83)a | 0.004a |
aBoldface indicates statistical significance.