Universidade de São Paulo. Faculdade de Medicina. Departamento de Patologia. São Paulo, SP, Brazil.
Escola Superior de Agricultura "Luiz de Queiroz". Departamento de Ciências Florestais. Piracicaba, SP, Brazil.
Rev Saude Publica. 2024 Mar 11;58:08. doi: 10.11606/s1518-8787.2024058005504. eCollection 2024.
To evaluate the association between gestational age and green areas, urban built areas, and the concentration of particulate matter 2.5 (PM2.5) in the city of São Paulo, analyzing the irregular distribution of these areas and pollution levels above the recommended level.
The study population consisted of a cohort of live births from 2012, and data from the Live Birth Information System (Sinasc) of the city of São Paulo were used. Using satellite images and supervised classification, the distribution and quantity of green areas and built areas in the city of São Paulo was obtained, as well as the concentrations of PM2.5. Logistic regressions were used to obtain possible associations.
The results of the study show that a lower percentage of green areas is significantly associated with a higher chance of preterm births. A higher building density was positively associated with the odds ratio for preterm birth. We did not find any significant associations between air pollution (PM2.5) and preterm births.
The results of this study show that greener areas are less associated with preterm births when compared with less green areas.
评估圣保罗市的胎龄与绿地、城市建成区和细颗粒物 2.5（PM2.5）浓度之间的关系，分析这些区域的不规则分布和污染水平超过推荐水平的情况。
研究人群为 2012 年的活产儿队列，使用了来自圣保罗市活产儿信息系统（Sinasc）的数据。利用卫星图像和监督分类，获得了圣保罗市绿地和建成区的分布和数量，以及 PM2.5 的浓度。使用逻辑回归来获得可能的关联。
研究结果表明，绿地比例较低与早产的几率增加显著相关。较高的建筑密度与早产的比值比呈正相关。我们没有发现空气污染（PM2.5）与早产之间存在任何显著关联。
本研究结果表明，与绿地较少的地区相比，绿地较多的地区与早产的相关性较低。
