PM2.5,植被密度和儿童癌症:一个基于德克萨斯州1995-2011年的病例控制注册表的研究
Lindsay A Williams1,2,3, David Haynes4, Jeannette M Sample1
1Division of Epidemiology and Clinical Research, Department of Pediatrics, University of Minnesota, Minneapolis, MN, USA.
Journal of the National Cancer Institute
|February 17, 2024
概括
早期接触细颗粒物 (PM2.5) 会增加儿童癌症的风险. 绿色 (NDVI) 有混合效应,降低了某些癌症的风险,但增加了其他癌症的风险,突出了复杂的环境相互作用.
科学领域:
- 环境流行病学环境流行病学
- 儿科瘤学 儿科瘤学
- 空间分析是一种空间分析.
背景情况:
- 空气污染,特别是细颗粒物 (PM2.5),与儿童癌症有关.
- 绿色,通过规范差异植被指数 (NDVI) 测量,显示与成人癌症的反向关联.
- PM2.5和NDVI对儿童癌症发展的综合影响在很大程度上仍未得到研究.
研究的目的:
- 调查PM2.5和NDVI早期暴露与德克萨斯州儿童癌症风险之间的关联.
- 探索PM2.5和NDVI在儿童癌症病因学中的潜在统计相互作用.
主要方法:
- 一项病例对照研究包括6,101例儿童癌症病例和109,762例对照 (年龄0-16岁).
- 住所出生地址与人口普查通道水平的年平均PM2.5和NDVI数据联系在一起.
- 为PM2.5和NDVI暴露增加计算了几率比率 (ORs) 和95%置信区间 (CI),并评估了统计相互作用.
主要成果:
- 早期增加的PM2.5暴露与所有儿童癌症,淋巴性白血病,霍奇金淋巴瘤,非霍奇金淋巴瘤和膜瘤的风险增加有关.
- 增加的NDVI暴露与膜瘤和髓母细胞瘤的风险降低有关,但增加了恶性黑色素瘤和朗格汉斯细胞囊细胞瘤的风险.
- 观察到PM2.5和NDVI之间对于儿童癌症总体风险的统计相互作用 (P < .04).
结论:
- 早期的PM2.5暴露会增加患儿童癌症的风险.
- NDVI具有双重作用,可以降低某些癌症的风险,同时增加其他癌症的风险.
- 空气污染和绿色之间的相互作用是复杂的,需要进一步研究癌症病因学.
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