尼日利亚5岁以下儿童发育迟缓和消瘦空间分布的双变量分析

S. Adebayo, E. Gayawan
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引用次数: 3

摘要

发育迟缓和消瘦是五岁以下儿童的主要营养不良问题,在尼日利亚,这一问题仍然高得令人无法接受,导致儿童发病率和死亡率高。政府和非政府机构需要基于证据的战略来减轻这些儿童的痛苦,这可以在充分了解决定因素与地理分布之间的关系时实现。利用尼日利亚人口与健康调查的四波数据,在考虑可能观察到的决定因素后,我们采用分布双变量概率模型来检验尼日利亚急性和慢性营养不良水平的地理分布和线性关联。贝叶斯推理基于马尔可夫链蒙特卡罗模拟。调查结果显示,尼日利亚五岁以下儿童发育迟缓和消瘦的空间差异很大,表明存在南北差异。研究结果显示,在一些北部边缘州的儿童中,这两项营养不良指标呈负线性相关,但在阿夸伊博姆、埃邦伊和阿南布拉则呈正相关。这种相关性在20个月左右也达到顶峰,这表明在生命的头两年,儿童发育迟缓和消瘦的可能性越来越大。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Bivariate Analysis of the Spatial Distributions of Stunting and Wasting Among Children Under-Five in Nigeria
Stunting and wasting are major malnutrition issues among children under five years of age and have continued to remain unacceptably high in Nigeria leading to high rates of child morbidity and mortality. Evidence-based strategies are required by government and non-governmental agencies to mitigate the suffering of these children, and this could be realised when the association between the determinants and the geographical distributions are fully understood. Using data from four waves of the Nigerian Demographic and Health Survey, we employed a distributional bivariate probit model to examine the geographical distributions of the levels and linear association between acute and chronic malnutrition in Nigeria after accounting for possible observed determinants. Bayesian inference was based on Markov chain Monte Carlo simulation. The findings reveal substantial spatial variations in stunting and wasting among under-five children in Nigeria, indicating a north–south divide. The findings show negative linear association between the two malnutrition indicators among children in some northern fringe states but positive for Akwa Ibom, Ebonyi and Anambra. The correlation also peaks around age 20 months indicating that during the first 2 years of life, the children have an increasing likelihood of suffering from stunting and wasting.
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