Risk factors for chickenpox incidence in Taiwan from a large-scale computerized database

Po Yuan Wu, Yu Chuan Li, Hong Dar Isaac Wu

研究成果: 雜誌貢獻文章同行評審

15 引文 斯高帕斯(Scopus)

摘要

Objective: We analyzed data from the National Health Insurance Research (NHIR) database in the year 2000 to estimate the seasonal variation in the chickenpox rate in Taiwan. Patients and Methods: All chickenpox cases listed in the NHIR database were included (n = 165,719). A Lorenz curve was plotted and a chi-square test for equal proportions calculated for seasonal variation. To determine the effects of temperature and season on outcome values, generalized estimating equation methods were utilized to adjust the effects of other possible influencing factors and take into account the within-subject dependence over repeated assessments. Results: All four regions of the country had highest incidence rates in January, and three of them had lowest rates in September. Incidence was significantly higher in females aged 15-24 years than in males. An increment of 1 °C resulted in an incidence ratio of approximately 0.98 or, equivalently, a 10 °C increment gives an incidence ratio of approximately 0.78. Conclusion: The results suggest that season and temperature are significantly related to the incidence of chickenpox. Infectious diseases can be monitored. Prevention procedures can be taken by understanding its pattern and activity in order to decide the best policy for vaccination. Further studies are warranted, particularly for long-term trends, and in other nations with different seasonal temperatures from Taiwan.

原文英語
頁(從 - 到)362-366
頁數5
期刊International Journal of Dermatology
46
發行號4
DOIs
出版狀態已發佈 - 四月 2007

ASJC Scopus subject areas

  • Dermatology

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