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首页> 外文期刊>International Journal of Biometeorology: Journal of the International Society of Biometeorology >Association between climate factors and diarrhoea in a Mekong Delta area
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Association between climate factors and diarrhoea in a Mekong Delta area

机译：湄公河三角洲地区气候因素与腹泻之间的关系

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摘要

The Mekong Delta is vulnerable to changes in climate and hydrological events which alter environmental conditions, resulting in increased risk of waterborne diseases. Research exploring the association between climate factors and diarrhoea, the most frequent waterborne disease in Mekong Delta region, is sparse. This study evaluated the climate-diarrhoea association in Can Tho city, a typical Mekong Delta area in Vietnam. Climate data (temperature, relative humidity, and rainfall) were obtained from the Southern Regional Hydro-Meteorological Centre, and weekly counts of diarrhoea visits were obtained from Can Tho Preventive Medicine Centre from 2004 to 2011. Analysis of climate and health variables was carried out using spline function to adjust for seasonal and long-term trends of variables. A distributed lag model was used to investigate possible delayed effects of climate variables on diarrhoea (considering 0-4 week lag periods), then the multivariate Poisson regression was used to examine any potential association between climate factors and diarrhoea. The results indicated that the diarrhoea incidence peaked within the period August-October annually. Significant positive associations were found between increased diarrhoea and high temperature at 4 weeks prior to the date of hospital visits (IRR = 1.07; 95 % CI = 1.04-1.08), high relative humidity (IRR = 1.13; 95 % CI = 1.12-1.15) and high (> 90th percentile) cumulative rainfall (IRR = 1.05; 95 % CI = 1.05-1.08). The association between climate factors and diarrhoea was stronger in rural than urban areas. These findings in the context of the projected changes of climate conditions suggest that climate change will have important implications for residential health in Mekong Delta region.
机译：湄公河三角洲易受气候和水文事件变化的影响，这些变化会改变环境条件，导致水传播疾病的风险增加。关于气候因素与腹泻之间关系的研究很少，而腹泻是湄公河三角洲地区最常见的水传播疾病。这项研究评估了越南湄公河三角洲地区芹Can市的气候腹泻协会。从南部区域水文气象中心获取气候数据（温度，相对湿度和降雨量），并于2004年至2011年从芹T预防医学中心获取每周的腹泻次数。对气候和健康变量进行了分析使用样条函数调整变量的季节性和长期趋势。分布式滞后模型用于研究气候变量对腹泻的可能延迟影响（考虑到0-4周的滞后期），然后多元Poisson回归用于检验气候因素与腹泻之间的任何潜在关联。结果表明，腹泻发病率在每年的8月至10月期间达到峰值。到医院就诊前4周，腹泻增加与高温（IRR = 1.07; 95％CI = 1.04-1.08），高相对湿度（IRR = 1.13; 95％CI = 1.12-1.15）之间存在显着的正相关关系。 ）和高（> 90％百分位数）累积降雨（IRR = 1.05; 95％CI = 1.05-1.08）。农村地区气候因素与腹泻之间的关联性强于城市地区。在气候条件预计变化的背景下，这些发现表明，气候变化将对湄公河三角洲地区的居民健康产生重要影响。

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