Result Unhealth emotinal state,hepatic disease and family history of PHC were the strong independent factors,and they also had obvious interaction.

• 结果不良精神因素、肝脏疾病史和肝癌家族史与肝癌发生均有明显作用,而且三个暴露因素既是作用很强的独立因素,亦是明显的相乘作用。