tokens: Multivariable analyses showed that the AF of CP was 64 % for rural residence ( OR 2.8 , p = 0.002 ) , 87 % for home birth ( 7.6 , p = 0.005 ) , 79 % for pre - labor rupture of membrane ( OR 4.9 , p = 0.001 ) , 66 % for breech delivery ( OR 2.9 , p = 0.002 ) and 81 % for hyperbilirubinemia ( OR 5.4 , p < 0.001 ) .