| Titre : | The effect of temperature on mortality in rural Bangladesh-a population-based time-series study. (2009) |
| Auteurs : | HASHIZUME (Masahiro) : JPN. Institute of Tropical Medicine. Nagasaki University. Sakamoto Nagasaki. ; HAYASHI (Taiichi) : JPN. Disaster Prevention Research Institute. Kyoto University. Gokasho. Uji Kyoto. ; Sajal-K SAHA ; Kim STREATFIELD ; WAGATSUMA (Yukiko) : JPN. Department of Epidemiology. Graduate School of Comprehensive Human Sciences. University of Tsukuba. Tsukuba Ibaraki. ; Mohammad YUNUS |
| Type de document : | Article |
| Dans : | International journal of epidemiology (vol. 38, n° 6, 2009) |
| Pagination : | 1689-1697 |
| Langues: | Anglais |
| Mots-clés : | Température ; Mortalité ; Epidémiologie ; Milieu rural ; Climat ; Série chronologique ; Asie |
| Résumé : | [BDSP. Notice produite par INIST-CNRS C8R0xFBA. Diffusion soumise à autorisation]. Background Studies in urban cities have consistently shown evidence of increased mortality in association with hot and cold weather. However, few studies have examined temperature-mortality relationship in the rural areas of developing countries. In this study we therefore aimed to characterize the daily temperature-mortality relationships in rural Bangladesh. Methods A generalized linear Poisson regression model was used to regress a time-series of daily mortality for all-cause and selected causes against temperature, controlling for seasonal and interannual variations, day of week and public holidays. A total of 13 270 all-cause deaths excluding external causes for residents under demographic surveillance in Matlab, Bangladesh were available between January 1994 and December 2002. Results There was a marked increase in all-cause deaths and deaths due to cardiovascular, respiratory and perinatal causes at low temperatures over a lag of 0-13 days. Every 1°C decrease in mean temperature was associated with a 3.2% (95% CI 0.9-5.5) increase in all-cause mortality. However, there was no clear heat effect on all-cause mortality for any of the lags examined. Conclusions This study found that daily mortality increased with low temperatures in the preceding weeks, while there was no association found between high temperatures and daily mortality in rural Bangladesh. Preventive measures during low temperatures should be considered especially for young infants. |
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