在游牧人口中对蛇咬伤进行流行病学研究:一篇方法论文
George O Oluoch1,2,3, Denis Otundo1, Seth Nyawacha4
1Kenya Snakebite Research and Intervention Centre, Kenya Institute of Primate Research, Ministry of Health, Karen, Nairobi, Kenya.
PLoS neglected tropical diseases
|December 28, 2023
概括
蛇咬研究往往忽略了移动人口. 这项研究引入了一种使用卫星图像的新型地理空间采样方法,用于在游牧社区进行更好的流行病学调查,提高数据准确性.
科学领域:
- 流行病学 流行病学
- 地理空间健康
- 移动人口健康 移动人口健康
背景情况:
- 蛇咬研究主要集中在定居人口,对可能面临更高风险的移动和游牧群体的数据有限.
- 目前的流行病学方法和风险因素评估通常不适合高度流动的社区.
研究的目的:
- 对游牧人口的调查方法进行审查,并将其与现有的蛇研究方法进行比较.
- 开发和测试一种改进的采样策略,用于使用地理空间技术在游牧人口中进行蛇病流行病学研究.
主要方法:
- 在游牧人口和蛇咬研究中对调查方法进行了范围审查.
- 利用开源卫星图像,为肯尼亚桑布鲁县的游牧家庭创建数字采样框架.
- 采用多阶段采样策略调查游牧和半游牧人口,评估家庭流动性.
主要成果:
- 对154篇文章的审查发现,只有16.5%的文章集中在移动牧民身上,18项蛇咬调查使用了基于人口普查的不适当的采样框架.
- 一个地理空间采样框架确定了50,707个家庭;一个多阶段调查成功收集了573个家庭的数据,准确地跟踪了移动家庭.
- 在接受调查的家庭中,成功联系了65.4%,其中164个家庭在5公里范围内搬迁,这证明了地理空间方法的有效性.
结论:
- 在高度流动的人群中的流行病学研究需要专门的采样框架和单位.
- 基于人口普查的抽样对游牧群体来说是不够的,因为蛇咬风险的空间性质.
- 开源卫星成像和地理信息系统为增强移动人口中的流行病学研究提供了可行的解决方案.
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