|  | C1 | C2 | C3 | C4 | ||||
---|---|---|---|---|---|---|---|---|---|
 |  | OR | 95%CI | OR | 95%CI | OR | 95%CI | OR | 95%CI |
Age |  | 1.105 | 0.90–1.36 | 0.812* | 0.66–0.99 | 1.034 | 0.85–1.26 | 0.859 | 0.69–1.07 |
Gender | Male | 0.933 | 0.69–1.27 | 0.698* | 0.52–0.94 | 0.870 | 0.65–1.16 | 0.932 | 0.67–1.29 |
 | Female |  |  |  |  |  |  |  |  |
OC | Yes | 1.103 | 0.69–1.76 | 1.301 | 0.83–2.04 | 1.243 | 0.80–1.93 | 1.184 | 0.73–1.93 |
No | Â | Â | Â | Â | Â | Â | Â | Â | |
LBE | Yes | 0.862 | 0.59–1.25 | 0.758 | 0.52–1.10 | 1.112 | 0.79–1.57 | 0.852 | 0.57–1.27 |
No | Â | Â | Â | Â | Â | Â | Â | Â |