Department of Management, Universidad Icesi, Cali, Colombia.
Department of Health Administration, Ben-Gurion University of the Negev, Beer-Sheva, Israel.
Int J Public Health. 2019 Jan;64(1):67-73. doi: 10.1007/s00038-018-1144-0. Epub 2018 Jul 17.
Desertification affected more than 24% of Colombia's land mass in 2012. The study aims to establish the singular impact of desertification on under-five mortality in Colombia.
Descriptive statistics and multivariate logit regressions are applied to the population of live births and under-five deaths in Colombia 2008-2011.
Children have a higher probability to die in rural communities and among mothers with low education who also have inferior health insurance. Controlling for those, desertification below about 50% of the land, lowers child mortality and increases it after that percentage. The impact of extraction of hydrocarbons is 12.45, metals 5.73 and others 4.91 times higher in municipalities with more than 50% of desertification territory. Rural areas with high desertification have 2.25 times higher risk of mortality due to malnutrition.
In the short term, when mines have less or no effect on desertification, living conditions may improve and reduce child mortality. In the long term, however, as desertification intensifies affecting the ecosystem, child mortality increases. More research is needed, and policy formulated accordingly.
2012 年,沙漠化影响了哥伦比亚超过 24%的土地。本研究旨在确定沙漠化对哥伦比亚五岁以下儿童死亡率的单一影响。
对哥伦比亚 2008-2011 年的活产儿和五岁以下儿童死亡人口进行描述性统计和多变量逻辑回归分析。
在农村社区和教育程度较低、医疗保险较差的母亲中,儿童死亡的可能性更高。在控制了这些因素后,土地沙漠化低于 50%的地区,儿童死亡率降低,超过该百分比后则增加。在沙漠化面积超过 50%的城市,开采碳氢化合物的影响是 12.45 倍,开采金属的影响是 5.73 倍,开采其他资源的影响是 4.91 倍。沙漠化程度较高的农村地区,因营养不良导致死亡的风险高 2.25 倍。
从短期来看,当矿山对沙漠化的影响较小或没有影响时,生活条件可能会改善,儿童死亡率会降低。然而,从长期来看,随着沙漠化的加剧影响生态系统,儿童死亡率会增加。需要进一步研究,并制定相应的政策。