孩子们下雨了吗? 孟加拉国的洪水暴露和生育能力
Brian C Thiede1, Joyce J Chen2, Valerie Mueller3
1Department of Agricultural Economics, Sociology, and Education and Population Research Institute, The Pennsylvania State University, USA.
Population and development review
|November 27, 2025
概括
环境洪水事件影响孟加拉国的生育能力. 虽然受教育程度较低和性别平等程度较高的妇女的生育率增加,但无子女和城市妇女的生育率下降,婚姻延迟可能解释了城市减少.
科学领域:
- 环境科学 环境科学
- 人口统计学 人口统计学
- 公共卫生 公共卫生
背景情况:
- 广泛的研究将气候变化与移民和健康联系起来.
- 环境变化,特别是洪水对人类生育能力的影响仍然不太清楚.
- 孟加拉国容易遭受严重洪水,为研究这些影响提供了一个关键的案例研究.
研究的目的:
- 调查孟加拉国洪水暴露与生育率之间的关系.
- 确定特定的人口亚群受洪水事件不同影响的生育率.
- 探索潜在的调解途径,如结婚时间和儿童死亡率.
主要方法:
- 人口和健康调查出生记录与卫星来源的洪水数据 (2001-2018) 的联系.
- 使用回归模型来评估洪水暴露对后续活产概率的影响.
- 分析女性第一次婚姻和5岁以下儿童死亡率的数据,以探索介导因素.
主要成果:
- 洪水暴露对不同人口群体的生育能力产生了不同的影响.
- 在受洪水影响后,受教育程度较低和性别平等程度较高的妇女中观察到生育率的统计学上显著增加.
- 相反,无子女和城市地区的妇女经历了与洪水相关的生育率下降,这可能与城市环境中延迟结婚有关.
结论:
- 孟加拉国的洪水事件对生育能力产生了复杂和差异化的影响.
- 虽然一些群体的生育率有所增加,但另一些群体的生育率有所下降,这凸显了针对性干预的必要性.
- 婚姻延迟可能部分解释城市地区的生育率变化,但儿童死亡率和婚姻时间并不能系统地介绍洪水与更广泛的人口生育率的联系.
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