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首页> 外文期刊>European journal of public health >Trends in educational inequalities in mortality, seven types of cancers, Norway 1971-2002
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Trends in educational inequalities in mortality, seven types of cancers, Norway 1971-2002

机译：1971-2002年挪威，教育上的不平等现象的发展趋势，七种癌症

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Background: Knowledge about educational disparities in deaths from specific cancer sites is incomplete. Even more scant is information about time trends in educational patterns in specific cancer mortality. This study examines educational inequalities in Norway 1971-2002 for mortality in lung and larynx, colorectal, stomach, melanoma, prostate, breast and cervix uteri cancer. Methods: A data file encompassing all Norwegian inhabitants registered some time during 1971-2002 while aged 45-74 was constructed with linked information from administrative registers. During an exposure of more than 40 millions person-years, about 87 000 deaths in the analysed cancer types were registered. Absolute and relative inequalities during three periods were analysed by age-standardized deaths rates, hazard regression odds ratios and Relative Index of Inequality. Results: Educational inequalities in lung and related cancer mortality widened considerably from the 1970s to the 1990s for both sexes. The moderate educational gradient for stomach and cervix uteri cancer persisted, as did the weak gradient for colorectal cancer. No educational differences in prostate cancer were observed in any of the time periods. The modest inverse educational gradients in deaths from breast cancer and melanoma remained at the same level. Conclusion: Among the seven cancer types examined in this study, only lung cancer mortality showed a clear widening in educational disparities. As lung cancer mortality constitutes a large proportion of all cancer deaths, this increase may result in larger disparities for overall cancer mortality. Some explanations for the observed patterns in cancer mortality are suggested.
机译：背景：关于在特定癌症部位死亡的教育差异的知识尚不完整。关于特定癌症死亡率的教育模式的时间趋势方面的信息甚至更少。这项研究调查了1971-2002年挪威在肺癌和喉癌，结直肠癌，胃癌，黑素瘤，前列腺癌，乳腺癌和子宫颈癌死亡率方面的教育不平等现象。方法：利用1971-2002年期间登记的所有挪威居民的数据文件，并使用行政登记簿中的链接信息构建45-74岁的挪威居民。在超过4000万人年的暴露中，记录了约87 000例分析癌症类型的死亡。通过年龄标准化死亡率，危险回归比值比和不平等相对指数分析了三个时期的绝对和相对不平等。结果：从1970年代到1990年代，男女的肺部疾病和相关癌症死亡率的教育不平等现象都大大扩大了。胃癌和子宫颈癌的中等教育梯度持续存在，而结直肠癌的弱教育梯度仍然存在。在任何时间段均未观察到前列腺癌的教育差异。乳腺癌和黑色素瘤死亡的适度逆教育梯度保持在同一水平。结论：在这项研究中检查的七种癌症类型中，只有肺癌死亡率显示出教育差距明显扩大。由于肺癌死亡率在所有癌症死亡中占很大比例，因此这种增加可能导致总体癌症死亡率差距更大。建议对观察到的癌症死亡率模式进行一些解释。

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