The association of extreme temperatures and the incidence of tuberculosis in Japan

Daisuke Onozuka, Akihito Hagihara

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Seasonal variation in the incidence of tuberculosis (TB) has been widely assumed. However, few studies have investigated the association between extreme temperatures and the incidence of TB. We collected data on cases of TB and mean temperature in Fukuoka, Japan for 2008–2012 and used time-series analyses to assess the possible relationship of extreme temperatures with TB incident cases, adjusting for seasonal and interannual variation. Our analysis revealed that the occurrence of extreme heat temperature events resulted in a significant increase in the number of TB cases (relative risk (RR) 1.20, 95 % confidence interval (CI) 1.01–1.43). We also found that the occurrence of extreme cold temperature events resulted in a significant increase in the number of TB cases (RR 1.23, 95 % CI 1.05–1.45). Sex and age did not modify the effect of either heat or cold extremes. Our study provides quantitative evidence that the number of TB cases increased significantly with extreme heat and cold temperatures. The results may help public health officials predict extreme temperature-related TB incidence and prepare for the implementation of preventive public health interventions.

Original languageEnglish
Pages (from-to)1107-1114
Number of pages8
JournalInternational Journal of Biometeorology
Volume59
Issue number8
DOIs
Publication statusPublished - Oct 29 2014

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tuberculosis
Japan
Tuberculosis
Extreme Cold
Temperature
Extreme Heat
Incidence
temperature
confidence interval
public health
seasonal variation
Public Health
Confidence Intervals
annual variation
time series

All Science Journal Classification (ASJC) codes

  • Ecology
  • Atmospheric Science
  • Health, Toxicology and Mutagenesis

Cite this

The association of extreme temperatures and the incidence of tuberculosis in Japan. / Onozuka, Daisuke; Hagihara, Akihito.

In: International Journal of Biometeorology, Vol. 59, No. 8, 29.10.2014, p. 1107-1114.

Research output: Contribution to journalArticle

Onozuka, Daisuke ; Hagihara, Akihito. / The association of extreme temperatures and the incidence of tuberculosis in Japan. In: International Journal of Biometeorology. 2014 ; Vol. 59, No. 8. pp. 1107-1114.
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