群馬県における成人病死亡の疫学的研究

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書誌事項

タイトル別名
  • EPIDEMIOLGICAL STUDIES ON NON-INFECTIOUS CHRONIC DISEASES
  • グンマケン ニ オケル セイジンビョウ シボウ ノ エキガクテキ ケンキュウ
  • IN GUNMA PREFECTURE (REPORT 2) OBSERVATIONS OF AN AREA HAVING THE HIGH RISK OF THE MALIGNANT NEOPLASM OF THE STOMACH IN MALE
  • 第2報胃の悪性新生物死亡率 (男) 高率地域の検討

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抄録

In comparison among health center districts in Gunma prefecture for the years 1971-1974, an area was revealed to have significantly high mortality rate for the malignant neoplasm of the stomach in male (Report 1). Then, the aim of the present study is to investigate the mortality in the area covering a period of 10 years (1965-1974).<BR>The age adjusted mortality rates for the malignant neoplasm of the stomach were calculated for the two composing communities of the area for the two five year periods 1965-1969 and 1970-1974. The rates for the male were considerably high and no difference was observed between those of the two communities.<BR>The distribution of the occupational types of the households of the deaths from the malignant neoplasm of the stomach was compared with those from the other malignant neoplasms, the ischemic heart diseases, and the cerebro-vascular diseases, under the correction for age. The test statistic is a usual x2 quantity, except that the expectation was calculated separately for each age group and the separate expectations added together to provide a total expectation standardized for age. Then, these expected numbers are calculated on the assumption that within one age group, each death group has a same distribution of the occupational types of the households. The statistically significant difference was observed between the distribution of the deaths from the malignant neoplasm of the stomach and from the cerebro-vascular diseases in male, and it was shown that there were more households of “employee (white collar)” and less households of “agriculture only” in the former than the latter.

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