文章摘要
张甜甜,马霄,雷雯,刘玉英,李斌,马冰村,刘寿.2019年青海省牧业区棘球蚴病时空分布特征[J].中华流行病学杂志,2022,43(5):709-715
2019年青海省牧业区棘球蚴病时空分布特征
Spatial analysis of echinococcosis in pastoral area of Qinghai province, 2019
收稿日期:2021-12-10  出版日期:2022-05-13
DOI:10.3760/cma.j.cn112338-20211210-00966
中文关键词: 棘球蚴病;空间特征;空间滞后模型;地理加权回归模型
英文关键词: Echinococcosis;Spatial characteristics;Spatial lag model;Geographical weighted regression
基金项目:国家自然科学基金(81860606);青海省自然科学基金(2019-ZJ-906)
作者单位E-mail
张甜甜 青海大学医学部公共卫生系, 西宁 810001  
马霄 青海省地方病预防控制所, 西宁 810000  
雷雯 青海省地方病预防控制所, 西宁 810000  
刘玉英 青海大学医学部公共卫生系, 西宁 810001  
李斌 青海大学医学部公共卫生系, 西宁 810001  
马冰村 青海大学医学部公共卫生系, 西宁 810001  
刘寿 青海大学医学部公共卫生系, 西宁 810001 liushou2004@aliyun.com 
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中文摘要:
      目的 分析青海省牧业区棘球蚴病空间分布特征及相关因素,为有效防控棘球蚴病提供参考。方法 收集2019年青海省牧业区棘球蚴病监测点数据,采用ArcGIS 10.8软件绘制棘球蚴病例分布地图进行可视化分析和空间自相关分析;采用SaTScan 9.5软件进行空间扫描和棘球蚴病例的聚集性分析;采用GeoDa 1.14软件和ArcGIS 10.8软件建立空间滞后模型和地理加权回归模型,分析棘球蚴病流行的相关因素。结果 2019年青海省牧业区棘球蚴病监测点共监测64 741人,病例829例,患病率为1.28%,病例分布具有空间相关性(Moran'sI=0.41,P<0.001)。空间扫描分析一类聚集区有果洛藏族自治州班玛县、久治县、达日县和甘德县(LLR=460.77,RR=9.20,P<0.001)。牧业区棘球蚴病的流行与年降水总量呈正相关(β=0.13,P=0.036),与人口密度(β=-1.36,P=0.019)和医护比(β=-25.60,P=0.026)呈负相关。结论 青海省牧业区棘球蚴病例空间聚集特征明显,年降水总量增加,其流行风险增加,人口密度和医护比增加,其流行风险降低。
英文摘要:
      Objective To understand the spatial characteristics of echinococcosis and associated factors in the pastoral area of Qinghai province, and provide evidence for the effective prevention and control of echinococcosis. Methods The number of echinococcosis cases in the pastoral areas of Qinghai in 2019 was collected to perform spatial epidemiological analysis. The thematic map of the distribution of echinococcosis cases was generated with software ArcGIS 10.8 for visual analysis and spatial autocorrelation analysis. The spatial autocorrelation and spatial scanning analysis were performed to estimate the clustering of echinococcosis with software SaTScan 9.5. Software GeoDa 1.14 and ArcGIS 10.8 were used to establish spatial lag model and geographical weighted regression model to analyze the related factors of echinococcosis epidemic.Results In 2019, the echinococcosis surveillance covered 64 741 people in the pastoral area of Qinghai, and 829 echinococcosis cases were found, with a prevalence rate of 1.28%. The distribution of the cases had spatial correlation (Moran's I=0.41, P<0.001). The most possible clustering areas indicated by spatial scanning analysis included Banma, Jiuzhi, Dari and Gande counties of Guoluo Tibetan Autonomous Prefecture (LLR=460.77, RR=9.20, P<0.001). The prevalence of echinococcosis in the pastoral areas was positively associated with the total annual precipitation (β=0.13, P=0.036), and negatively associated with population density (β=-1.36, P=0.019) and doctors/nurse ratio (β=-25.60, P=0.026). Conclusion The distribution of echinococcosis cases in the pastoral areas of Qinghai in 2019 had spatial correlation, and the prevalence was affected by total annual precipitation, population density, and doctors/nurse ratio.
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