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本文用衣阿华州和明尼苏达州中白血病和非何杰金氏淋巴瘤(NHL)的基础人口病例-对照调研资料研究了住宅接近工厂的危险。作者在上述研究资料中选择了可提供住宅与工厂距离资料的病例。各项诊断经病理学家专门小组核实。共分析白血病520例、NHL572例及相匹配的对照1130名。索取了居住地点及居住时间的资料。询问受访者或其亲属如下事项(1)他们的住宅是否都在离工厂3.2km和0.8km之内,该距离内受工厂排出的烟雾影响;(2)描述排放烟雾工厂的类型。计算了相对危险度(RR)及95％可信区间(CI)。结果,离工厂0.8～3.2km之内居住人群经年龄及州校正后NHL和白血病的RR(95％CI)分别为1.4(1.0～1.8)和1.2(0.9～1.6);离工厂0.8km之内居住人群分别为1.5(1.1～1.9)和1.1(0.9～1.5)。从组织学类型分析,更密切的联系发生距离如下:(1)滤泡性NHL
This article examines the dangers of residential proximity to factories using case-control study data from population-based population of patients with leukemia and non-Hodgkin’s lymphoma (NHL) in Iowa and Minnesota. In the above research data, the authors selected cases that provided data on the distance between homes and factories. The diagnosis was verified by a panel of pathologists. A total of 520 cases of leukemia, NHL 572 cases and 1130 matched controls were analyzed. Request information on where and when you live. Ask respondents or their relatives (1) whether their residences are within 3.2km and 0.8km from the factory within the distance affected by the smoke emitted by the factory; and (2) describe the type of smoke emitting factory. Relative risk (RR) and 95% confidence interval (CI) were calculated. As a result, RR (95% CI) of age-adjusted and state-corrected NHL and leukemia among residents within 0.8 ~ 3.2km from the factory were 1.4 (1.0-1.8) and 1.2 (0.9-1.6), respectively; Resident population were 1.5 (1.1 ~ 1.9) and 1.1 (0.9 ~ 1.5). From a histological type analysis, the more closely linked occurrences are as follows: (1) follicular NHL