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目的探索广州市海珠区登革热流行强度与社区空间因素的相关性,为制定登革热控制策略提供科学依据。方法收集2014年广州市海珠区各社区居委会人口密度、平均年龄、人均居住面积、公共绿地面积、庭院内绿地面积和平均楼龄等资料,分析其对当年登革热流行强度的影响。结果广州市海珠区2014年登革热平均发病率为3.40‰,多因素分析:庭院内露天绿地面积越大(OR=5.23)、公共绿地面积越小(OR=0.23)、人口平均年龄越大(OR=1.12),登革热流行强度越大(P<0.05)。结论社区人口和环境等空间因素对登革热流行的影响是复杂的,主要影响因素是庭院内露天绿地的孳生地、老年人的生活习惯,防控策略应结合当地社区情况有针对性地制定。
Objective To explore the correlation between endemic intensity of dengue and spatial factors in Haizhu District, Guangzhou, and to provide a scientific basis for dengue fever control strategy. Methods The data of population density, average age, per capita living area, public green area, green area and average age of courtyard in Haizhu District of Guangzhou in 2014 were collected to analyze their influence on the epidemic intensity of Dengue. Results The average incidence of dengue fever was 3.40 ‰ in 2014 in Haizhu District, Guangzhou. Multivariate analysis showed that the larger the area of open-air green space in courtyard was (OR = 5.23), the smaller the area of public green space was (OR = 0.23) = 1.12), the greater the intensity of dengue epidemic (P <0.05). Conclusion The impact of spatial factors such as community population and environment on the epidemic of Dengue is complicated. The main influencing factors are the breeding grounds for open-air green space in the courtyard and the living habits of the elderly. The prevention and control strategies should be formulated according to the situation of local communities.