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1 0 0 0 OA Relationship between a High Mortality Rate and Extreme Heat During the Summer of 1999 in Hokkaido Prefecture, Japan

著者
Dongmei Qiu Takeo Tanihata Hitoshi Aoyama Toshiharu Fujita Yutaka Inaba Masumi Minowa
出版者
Japan Epidemiological Association
雑誌
Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日
vol.12, no.3, pp.254-257, 2002 (Released:2007-11-30)
参考文献数
15
被引用文献数
18 19
In order to describe the relationship between mortality rate and extreme heat during the summer of 1999 in Hokkaido, we calculated the monthly age-adjusted death rates, average monthly mean temperature and average monthly high temperature for the years 1995 to 1999 in Hokkaido.The materials were derived from Statistics and Information Department, Minister's Secretariat, Ministry of Health, Labour and Welfare of Japan, Statistical Bureau Management and Coordination Agency Government of Japan and the Japan Meteorological Agency.Trends in the monthly age-adjusted death rates and temperature changes in the same period were analyzed. The highest average monthly high temperature for August and September (28.8°C and 23.8°C, respectively) occurred in 1999;the similar trend was observed in the highest average monthly mean temperature.In August 1999, there were 14 days with highest temperatures of 30°C and over.The age-adjusted rate in August 1999 was significantly higher compared with those for the years 1995 to 1998 (p<0.01).We concluded that an unusually hot spell in 1999 was followed by a high mortality rate in Hokkaido.J Epidemiol, 2002;12:254-257

1 0 0 0 OA Overview of the Epidemiology of Pancreatic Cancer Focusing on the JACC Study

著者
Dongmei Qiu Michiko Kurosawa Yingsong Lin Yutaka Inaba Tsuyoshi Matsuba Shogo Kikuchi Kiyoko Yagyu Yutaka Motohashi Akiko Tamakoshi
出版者
Japan Epidemiological Association
雑誌
Journal of Epidemiology (ISSN:09175040)
巻号頁・発行日
vol.15, no.Supplement_II, pp.S157-S167, 2005 (Released:2005-08-18)
参考文献数
72
被引用文献数
27 43
BACKGROUND: The objective of this article was to overview the epidemiology of pancreatic cancer. We summarize the results of the Japan Collaborative Cohort Study (JACC Study) and some previous studies.METHODS: References were mainly in a Medline search through Pub Med database. In addition, 3 papers about the JACC Study were quoted.RESULTS : In the JACC Study, the standardized mortality ratio of pancreatic cancer was 0.97 in females and 0.84 in males. Diabetes mellitus (DM) has increased the risk for pancreatic cancer in many studies. In the JACC Study, DM had a risk for pancreatic cancer in males (hazard ratio = 2.12). Cigarette smoking has been associated with pancreatic cancer in many studies. In the JACC Study, the hazard ratio for current smokers was 1.6 in males, and 1.7 in females. The ratio was 3.3 who smoked 40+ cigarettes/day in males. In the JACC Study, alcohol intake was not associated with pancreatic cancer. These results are consistent with the other studies. Coffee consumption has not been associated with pancreatic cancer in many studies. In the JACC Study, the hazard ratio significantly increased to 3.19 among men who consumed 4+ cups of coffee per day. The relationships between diet /nutrition and pancreatic cancer are not clear in many studies.CONCLUSION: The relation between smoking and pancreatic cancer is most consistently described. A further analysis of the relationships between family history, hormonal factors in females, dietary and nutritional factors, obesity, physical activity and pancreatic cancer is necessary.J Epidemiol 2005; 15: S157-S167.