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经医学研究,现已证实除了影响人类健康的生物因素、社会因素、自然环境因素外,不良的心理、行为因素也是导致人类疾病的重要诱因,并认为相当一部分慢性病是源于不良的生活习惯与行为。海安县于1999年对调查时仍存活的108例原发性肝癌患者进行了1:1病例对照研究,调查发现心理、行为因素对原发性肝癌的发生、发展有着一定的作用。现报告如下:1 材料与方法1·1 研究对象 共调查108例原发性肝癌患者及其对照组,对照组选择与病例组居住同一乡村,无血缘关系,同民族、同性别、年龄相差在±5岁以内,未患肿瘤,病例组和对照组在海安县居住时间均>15年。1·2 研究方法 采用统一的方案和调查表对病例及对照逐
After medical research, it has been confirmed that in addition to the biological factors, social factors and natural environmental factors that affect human health, adverse psychological and behavioral factors are also important inducing causes of human diseases. A considerable proportion of chronic diseases are caused by poor living habits and behavior. In 1999, Hai’an County conducted a 1: 1 case-control study on 108 cases of primary liver cancer patients who survived the survey. It was found that psychological and behavioral factors played a role in the occurrence and development of primary liver cancer. The report is as follows: 1 Materials and Methods 1.1 The subjects were investigated in 108 cases of primary liver cancer patients and control group, the control group and the case group selected live in the same country, no blood relationship, same ethnicity, same sex, age difference Within ± 5 years old, no tumor, case group and control group lived in Hai’an County for> 15 years. 1.2 Research Methods Using a unified program and questionnaire on the case and control