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首页> 外文期刊>BMJ: British medical journal >Magnetic fields of high voltage power lines and risk of cancer in Finnish adults: nationwide cohort study
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Magnetic fields of high voltage power lines and risk of cancer in Finnish adults: nationwide cohort study

机译：高压电线和磁场在芬兰的成年人患癌症的风险:在全国范围内队列研究

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Objective—To investigate the risk of cancer in association with magnetic fields in Finnish adults living close to high voltage power lines. Design—Nationwide cohort study. Subjects—383 700 people who lived during 1970-89 within 500 metres of overhead power lines of 110-400 kV in a magnetic field calculated to be ≥ 0.01 μT. Study subjects were identified by record linkages of nationwide registers. Main outcome measures—Numbers of observed and expected cases of cancer, standardised incidence ratios, and incidence rate ratios adjusted for sex, age, calendar year, and social class—for example, by continuous cumulative exposure per 1 μT year—with 95% confidence intervals from multiplicative models for all cancers combined and 21 selected types. Results—Altogether 8415 cases of cancer were observed (standardised incidence ratio 0.98; 95% confidence interval 0.96 to 1.00) in adults. All incidence rate ratios for both sexes combined were non-significant and between 0.91 and 1.11. Significant excesses were observed in multiple myeloma in men (incidence rate ratio 1.22) and in colon cancer in women (1.16). Conclusions—Typical residential magnetic fields generated by high voltage power lines do not seem to be related to the risk of overall cancer in adults. The previously suggested associations between extremely low frequency magnetic fields and tumours of the nervous system, lymphoma, and leukaemia in adults and breast cancer in women were not confirmed.
机译：:靠研究癌症的风险与磁场在芬兰成年人生活靠近高压电线。Design-Nationwide队列研究。人生活在1970 - 89 500米以内110 - 400 kV架空电力线路的磁场计算T≥0.01μ。受试者被记录的联系全国注册。measures-Numbers观察到的和预期的情况癌症,标准化发病率比例,发病率比例调整性别、年龄、日历年,社会类的例子,每1μT提供连续的累积暴露95%置信区间的乘法模型所有癌症相结合和21选中类型。观察(标准化发病率比0.98;95%置信区间0.96 - 1.00)的成年人。所有男女发病率比例的总和非重大的,在0.91和1.11之间。多个重要过度观察男性骨髓瘤(发病率比1.22)和结肠癌在女性(1.16)。住宅磁场所产生的高电压电线似乎不相关整体成人癌症的风险。之前建议之间的关联极低频磁场和神经系统肿瘤、淋巴瘤和女性成人白血病和乳腺癌没有确认。

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