Characteristic | Category | Cases | Controls | OR | 95%CI | P χ2 |
---|---|---|---|---|---|---|
Age* (years) | < 48 | 147 | 163 | 1 | Â | Â |
 | ≥ 48 | 171 | 110 | 1.72 | (1.24-2.39) | 0.001 |
Missing data | Â | 0 | 0 | Â | Â | Â |
Menarche (Age) | < 12 | 120 | 93 | 1 | Â | Â |
 | ≥ 12 | 120 | 74 | 1.25 | (0.84-1.86) | 0.258 |
Missing data | Â | 78 | 106 | Â | Â | Â |
Menopause (Age)** | ≤ 54 | 98 | 62 | 1 |  |  |
 | ≥ 55 | 10 | 5 | 0.79 | (0.25-2.42) | 0.68 |
Missing data | Â | 127 | 103 | Â | Â | Â |
First Birth (Age) | ≤ 30 | 161 | 103 | 1 |  |  |
 | ≥ 31 or nulliparous | 75 | 68 | 1.41 | (0.93-2.13) | 0.09 |
Missing data | Â | 82 | 102 | Â | Â | Â |
Fertile Time¥ | < 35 | 45 | 35 | 1 |  |  |
 | ≥ 35 | 60 | 27 | 1.73 | (0.83-3.42) | 0.089 |
Missing data | Â | 3 | 5 | Â | Â | Â |
Use of contraceptives †| < 2 | 110 | 105 | 1 |  |  |
 | ≥2 | 92 | 59 | 1.49 | (0.97-2.27) | 0.065 |
Missing data | Â | 116 | 109 | Â | Â | Â |
Use of HRT θ | no | 79 | 43 | 1 |  |  |
 | yes | 25 | 20 | 0.68 | (0.32-1.44) | 0.276 |
Missing data | Â | 4 | 4 | Â | Â | Â |
Use of NSAIDs | no | 187 | 154 | 1 | Â | Â |
 | yes | 31 | 13 | 1.96 | (0.99-3.88) | 0.053 |
Missing data | Â | 100 | 106 | Â | Â | Â |
BMI | Underweight: ≤ 18.4 | 9 | 1 | 4.13 | (0.50-33.6) | 0.28 |
 | Normal: 18.5 - 24.9 | 98 | 45 | 1 |  |  |
 | Overweight: ≥ 25.0 | 159 | 63 | 1.15 | (0.73-1.83) | 0.55 |
Missing Data | Â | 52 | 164 | Â | Â | Â |
Smoking Habit | no | 174 | 83 | 1 | Â | Â |
 | yes | 98 | 38 | 1.23 | (0.77-1.94) | 0.42 |
Missing data | Â | 46 | 152 | Â | Â | Â |
Color | White | 131 | 120 |  |  | 0.619‡ |
 | Intermediate | 125 | 96 |  |  |  |
 | Black | 62 | 57 |  |  |  |
Missing data | Â | 0 | 0 | Â | Â | Â |