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在1991年全国病情监测基础上,进行了有关病儿切身生活条件的病例对照调查。有甘肃、陕西、山西、河北、内蒙、黑龙江六个省参加,提供病例214人,病村内对照例231人,病村外对照例230人。原材料按关内四省、关外两省分别处理。分析采用 logistic 法,以 OR 值表示联系的强度。在病例与病村内对照相比较中,有意义的因素为:谷物仓贮条件不良(3.3)、家庭卫生条件不良(1.9)、居室相对潮湿(1.9)以及关节扭伤过(1.9)。本文对两对照例组间的比较以及病例/病村外对照例比较中的一些问题做了扼要的讨论。
On the basis of the nationwide disease surveillance in 1991, a case-control survey on the immediate living conditions of sick children was conducted. There are 6 provinces including Gansu, Shaanxi, Shanxi, Hebei, Inner Mongolia and Heilongjiang, providing 214 cases, 231 cases in the village and 230 cases outside the village. Raw materials by customs within the four provinces, respectively, off the two provinces. Analysis of the use of logistic method, OR value of contact strength. Among the cases compared to the controls in the village, the significant factors were poor grain storage conditions (3.3), poor household hygiene (1.9), relative humidness in the living room (1.9) and joint sprain (1.9). This article gives a brief discussion of the comparisons between two control groups and some of the comparisons of case-control studies.