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住宅条件评分作为两种墨西哥地区伊蚊滋生风险的指标。

House Condition Scoring Scale as a Risk Indicator of Infestation by Aedes in Two Mexican Localities.

机构信息

Programa de Maestría en Investigación en Enfermedades Infecciosas, Universidad de Santander, Universidad de Boyacá, Boyacá, Colombia.

Centro de Investigación Sobre Enfermedades Infecciosas, Instituto Nacional de Salud Pública, Cuernavaca, Mexico.

出版信息

Am J Trop Med Hyg. 2023 Apr 24;108(6):1264-1271. doi: 10.4269/ajtmh.22-0707. Print 2023 Jun 7.

Abstract

Mexico has shown an increase in dengue incidence rates. There are factors related to the location that determine housing infestation by Aedes. This study aimed to determine factors associated with housing infestation by immature forms of Aedes spp. in the dengue endemic localities of Axochiapan and Tepalcingo, Mexico, from 2014 to 2016. A cohort study was carried out. Surveys and inspections of front- and backyards were conducted every 6 months, looking for immature forms of Aedes spp. A house condition scoring scale was developed using three variables (house maintenance, tidiness of the front- and backyards, and shading of the front- and backyards). Multiple and multilevel regression logistic analysis were conducted considering the housing infestation as the outcome and the household characteristics observed 6 months before the outcome as factors; this was adjusted by time (seasonal and cyclical variations of the vector). The infestation oscillated between 5.8% of the houses in the second semester of 2015 and 29.3% in the second semester of 2016. The factors directly associated with housing infestation by Aedes were the house condition score (adjusted odds ratio [aOR]: 1.64; 95% CI: 1.40-1.91) and the previous record of housing infestation (aOR: 2.99; 95% CI: 2.00-4.48). Moreover, the breeding-site elimination done by house residents reduced the housing infestation odds by 81% (95% CI: 25-95%). These factors were independent of the seasonal and cyclical variations of the vector. In conclusion, our findings could help to focalize antivectorial interventions in dengue-endemic regions with similar demographic and socioeconomic characteristics.

摘要

墨西哥的登革热发病率呈上升趋势。有一些与地理位置相关的因素决定了蚊虫滋生的住所。本研究旨在确定 2014 年至 2016 年期间,墨西哥阿克希卡潘和特帕琴戈登革热流行地区与伊蚊幼虫滋生有关的因素。开展了一项队列研究。每 6 个月对前院和后院进行调查和检查,寻找伊蚊幼虫。使用三个变量(房屋维护、前后院整洁度和前后院遮荫)制定了房屋状况评分量表。考虑到房屋滋生情况作为结果,以及结果发生前 6 个月观察到的家庭特征作为因素,进行了多变量和多层次回归逻辑分析;这通过时间(媒介物的季节性和周期性变化)进行了调整。在 2015 年下半年的第二个学期,房屋滋生率在 5.8%至 29.3%之间波动。与伊蚊滋生直接相关的因素是房屋状况评分(调整后的比值比[aOR]:1.64;95%置信区间[CI]:1.40-1.91)和以前的房屋滋生记录(aOR:2.99;95% CI:2.00-4.48)。此外,房屋居民进行的滋生地清除工作使房屋滋生的几率降低了 81%(95% CI:25-95%)。这些因素独立于媒介物的季节性和周期性变化。总之,我们的研究结果可以帮助将抗媒介干预集中在具有类似人口统计学和社会经济特征的登革热流行地区。

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