| Acetylation status |  |  |  | |
---|---|---|---|---|---|
Smoking | Slow | Fast | OR | Adjusted ORa | Adjusted 95%CI |
Nonsmokers | 44 | 24 | 1.0 | 1.0 | - |
Active smokers | |||||
Packs (per day) | Â | Â | Â | Â | Â |
   <1 | 96 | 47 | 1.11 | 0.97 | 0.48 to 1.95 |
   1 to <2 | 53 | 33 | 0.88 | 0.74 | 0.35 to 1.60 |
   ≥ 2 | 12 | 2 | 3.27 | 1.80 | 0.33 to 9.81 |
   Data missing | 1 | 3 |  |  |  |
Duration (years) | Â | Â | Â | Â | Â |
   <20 | 39 | 29 | 0.73 | 0.59 | 0.26 to 1.35 |
   20 to <40 | 79 | 25 | 1.72 | 1.32 | 0.62 to 2.81 |
   40+ | 43 | 30 | 0.78 | 0.74 | 0.33 to 1.63 |
   Data missing | 1 | 1 |  |  |  |
Duration (years) in relation to first birth | |||||
   Nulliparous | 41 | 11 | 2.03 | 1.05 | 0.32 to 3.41 |
   All before first | 11 | 8 | 0.75 | 0.60 | 0.17 to 2.10 |
   Before and after first | 90 | 48 | 1.02 | 1.03 | 0.48 to 2.20 |
   All after first | 19 | 17 | 0.61 | 0.52 | 0.19 to 1.37 |
   Data missing | 1 | 1 |  |  |  |
Age started (years) | Â | Â | Â | Â | Â |
   ≤ 13 | 4 | 3 | 0.73 | 0.63 | 0.11 to 3.48 |
   14 to 15 | 22 | 7 | 1.71 | 1.94 | 0.61 to 6.19 |
   16 to 17 | 35 | 18 | 1.06 | 0.79 | 0.32 to 1.94 |
   18 to 21 | 67 | 35 | 1.04 | 0.94 | 0.45 to 1.99 |
   22 to 29 | 19 | 11 | 0.94 | 0.84 | 0.31 to 2.30 |
   ≥ 30 | 14 | 10 | 0.76 | 0.60 | 0.21 to 1.71 |
   Data missing | 1 | 1 |  |  |  |
Quit before diagnosis date (years) | |||||
   Current or <5 | 32 | 12 | 1.45 | 1.25 | 0.50 to 3.19 |
   5 to 15 | 37 | 19 | 1.06 | 0.82 | 0.35 to 1.95 |
   >15 | 71 | 42 | 0.92 | 0.86 | 0.41 to 1.80 |
   Data missing | 22 | 12 |  |  |  |
Passive smokers | |||||
Duration (years)b | Â | Â | Â | Â | Â |
   <20 | 34 | 18 | 1.03 | 0.99 | 0.43 to 2.33 |
   20 to <40 | 48 | 36 | 0.73 | 0.61 | 0.29 to 1.28 |
   40+ | 29 | 18 | 0.88 | 0.81 | 0.33 to 2.01 |
   Data missing | 3 | 1 |  |  |  |
Duration (years) in relation to first birth | |||||
   Nulliparous | 20 | 14 | 0.78 | 0.52 | 0.16 to 1.69 |
   All before first | 20 | 8 | 1.36 | 1.85 | 0.59 to 5.83 |
   Before and after first | 56 | 34 | 0.90 | 0.91 | 0.39 to 2.10 |
   All after first | 6 | 5 | 0.65 | 0.39 | 0.09 to 1.73 |
   Data missing | 12 | 12 |  |  |  |
First lived with smoker (age in years) | |||||
   <12 | 51 | 35 | 0.84 | 0.83 | 0.29 to 2.34 |
   12 to 20 | 18 | 5 | 3.11 | 2.43 | 0.41 to 14.3 |
   >20 | 35 | 28 | 0.89 | 0.48 | 0.17 to 1.42 |
   Data missing | 10 | 5 |  |  |  |