日本女性的癌症死亡率因职业阶层而异，1995-2015 年。
Differences in Cancer Mortality Rate Depending on Occupational Class among Japanese Women, 1995-2015.
机构信息
Medical Information Center, Kyushu University Hospital, Fukuoka City, Japan.
出版信息
Asian Pac J Cancer Prev. 2022 Feb 1;23(2):475-783. doi: 10.31557/APJCP.2022.23.2.475.
BACKGROUND
Although it is known that cancer mortality rate varies depending on occupations in Japan, differences in female cancer mortality rate depending on occupational classes have not been analyzed using the Vital Statistics in Japan. In this study, we analyzed the Vital Statistics data in Japan from 1995 to 2015, and revealed differences in cancer mortality rate depending on occupational classes among Japanese women.
METHODS
The Vital Statistics data by occupations from 1995 to 2015 were obtained from the "Report of Vital Statistics : Occupational and Industrial Aspects" in Japan, and data on mortality for cancer in all sites, colorectal cancer, liver cancer, gallbladder and extrahepatic bile duct cancer, pancreatic cancer, lung cancer, breast cancer, and uterine cancer were used. We classified main occupation categories into non-manual workers and manual workers, and calculated age-standardized mortality rate for each of the occupational class, year, age group, and type of cancer and its annual percent change.
RESULTS
Age-standardized mortality rates for non-manual workers (222.0 per 100,000 persons in 1995 and 143.8 per 100,000 persons in 2015) were higher in cancer in all sites than those for manual workers (127.6 per 100,000 persons in 1995 and 103.7 per 100,000 persons in 2015) throughout the years. However, age-standardized mortality rates showed a significant decreasing trend between 1995 and 2015 for non-manual workers, and the absolute value of annual percent change was higher in non-manual workers than in manual workers. As a result, a difference in age-standardized mortality rates for cancer in all sites between the two types of occupational classes decreased throughout the years.
CONCLUSION
A further study investigating differences in physical or behavioral characteristics of female non-manual and manual workers is needed in order to understand the key factors for the higher cancer mortality rate in non-manual workers.
背景
尽管已知日本的癌症死亡率因职业而异，但使用日本的生命统计数据尚未分析女性癌症死亡率因职业类别而异的情况。在本研究中，我们分析了日本 1995 年至 2015 年的生命统计数据，揭示了日本女性癌症死亡率因职业类别而异的情况。
方法
从日本的“生命统计报告：职业和工业方面”中获取了 1995 年至 2015 年的职业生命统计数据，并使用了所有部位癌症、结直肠癌、肝癌、胆囊和肝外胆管癌、胰腺癌、肺癌、乳腺癌和子宫癌的死亡率数据。我们将主要职业类别分为非体力劳动者和体力劳动者，并计算了每个职业类别的年龄标准化死亡率、年份、年龄组和癌症类型及其年变化百分比。
结果
所有部位癌症的非体力劳动者的年龄标准化死亡率（1995 年为 222.0/100,000 人，2015 年为 143.8/100,000 人）高于体力劳动者（1995 年为 127.6/100,000 人，2015 年为 103.7/100,000 人）。然而，1995 年至 2015 年期间，非体力劳动者的年龄标准化死亡率呈显著下降趋势，且非体力劳动者的年变化百分比绝对值高于体力劳动者。因此，这两种职业类别的所有部位癌症的年龄标准化死亡率差异逐年缩小。
结论
为了了解非体力劳动者癌症死亡率较高的关键因素，需要进一步研究女性非体力劳动者和体力劳动者在身体或行为特征方面的差异。
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