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采用病例对照研究的方法,探索包钢职工白血病死亡与生产过程中的职业有害因素和生活环境因素的关系。白血病20例,病例与对照的比例为1:4。研究的因素包括九种职业有害因素以及受教育程度、经济收入、居住条件等一般社会经济状况,吸烟、饮酒、饮食、疾病史、医疗史和医用诊断X线照射情况等。直接面询收集的资料用IBM微机处理,主要用成组和非成组分析方法计算比数比(OR值)。根据OR值计算结果,仅见白血病死亡与高硅粉尘、煤焦油逸散物和高温作业有显著性关联,未见与生产环境中放射性因素和其他生活环境因素有任何关联。
A case-control study was conducted to explore the relationship between occupational and life-threatening factors in the death and the production of leukemia among workers in Baogang. 20 cases of leukemia, case and control ratio of 1: 4. The factors studied included nine occupational hazards, general socioeconomic status such as education level, economic income, living conditions, smoking, drinking, diet, history of illness, medical history and medical diagnostic X-ray exposure. The data collected by direct interview is processed by IBM microcomputer, and the odds ratio (OR) is mainly calculated by grouping and non-grouping analysis methods. According to OR results, only the death of leukemia and high silica dust, coal tar emissions and high-temperature operations were significantly associated with no correlation with radioactive factors and other living environment factors in the production environment.