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采用武汉市两所综合医院医生干预住院病人吸烟行为的资料，对戒烟后影响复发吸烟的因素用cox比例风险模型进行了配合．分析发现，戒烟后抑制复发吸烟的因素是干预医院和40岁年龄组，而促进因素为消化系统疾病，同时，还讨论了用于分析影响复发吸烟因素的统计模型．
Using data from two general hospital doctors in Wuhan to investi- gate the smoking behavior of inpatients, the factors influencing relapse smoking after smoking cessation were matched with the cox proportional hazards model. Analysis found that smoking cessation after smoking cessation factors are intervention in the hospital and 40-year-old group, and the promotion factor for the digestive system diseases, but also discusses the statistical model for analysis of factors affecting recurrence of smoking.