Global Age Patterns of Under-Five Mortality

项目摘要 5岁以下儿童死亡率(U5MR)是儿童健康的一个关键和广泛使用的指标，但它掩盖了 关于死亡率如何按年龄分布的重要信息。以便更好地了解和监控 就儿童健康而言，研究0-5岁范围内死亡风险的变化是至关重要的。这包括年龄。 超过28天(新生儿死亡率)和1岁(婴儿死亡率)标准分界点的分类 死亡率)。然而，在许多人口中，5岁以下儿童死亡率的年龄模式并不为人所知。更少- 发达国家尤其缺乏必要的高质量详细的生命登记信息。 对这些年龄模式的分析。收集回溯生育史的抽样调查结果不能令人满意 这一差距，因为它们受到系统性偏差的影响，这些偏差对估计年龄特别重要 模式。这使得对关于5岁以下儿童死亡率年龄模式的高质量信息的需求更加迫切。 关键，因为这些年龄模式中的规律性可以被用作评估和纠正的强大工具 当来源不足时的数据。这个项目的目标是提高我们对年龄模式的理解。 通过收集迄今最大的关于高质量全球死亡率信息的数据库 从出生到5岁的详细年龄(按天、周、月和年)，按性别。这个数据库，它将 涵盖了更多和更不发达的背景下的广泛的历史和当代背景，将 作为生成模型的基础，该模型总结了5岁以下儿童死亡率的分布规律 人类人口的详细年龄。然后，这些模型将用于评估和纠正5岁以下儿童 欠发达国家按详细年龄分列的死亡率信息。这个全球数据库和派生的模型 它还将使我们能够解决具体的实质性问题，即5岁以下儿童的年龄模式是如何以及为什么 死亡率因性别、时间和地点而异，具有重要的规划意义。这个数据库将被制作成 公开提供，使研究界能够轻松访问关于以下内容的高质量基本信息 按详细年龄分列的5岁以下儿童死亡率，以满足他们自己的研究需要，并进一步验证和复制 项目的结果。

Project Summary The Under-5 Mortality Rate (U5MR) is a key and widely-used indicator of child health, but it conceals important information about how this mortality is distributed by age. For better understanding and monitoring of child health, it is critical to examine how the risk of death varies within the 0-5 age range. This includes age breakdowns beyond the standard cut-off points of 28 days (for neonatal mortality) and 1 year (for infant mortality). In many populations, however, the age pattern of under-5 mortality is not well known. Less- developed countries, in particular, lack the high-quality detailed vital registration information necessary for the analysis of such age patterns. Sample surveys collecting retrospective birth histories do not satisfactorily fill this gap, because they are subject to systematic biases that are particularly consequential for estimating age patterns. This makes the need for high-quality information on age patterns of under-5 mortality even more critical, because regularities in these age patterns can be used as a powerful tool for evaluating and correcting data when sources are deficient. The goal of this project is to improve our understanding of age patterns of under-5 mortality by gathering the largest database to date on high-quality global mortality information by detailed age (by days, weeks, months, and years of age) from birth until age 5, by sex. This database, which will cover a wide array of historical and contemporary contexts in both more- and less-developed settings, will serve as a basis for generating models summarizing regularities about how under-5 mortality is distributed by detailed age in human populations. These models will then be used for evaluating and correcting under-5 mortality information by detailed age in less-developed countries. This global database, and models derived from it, will also allow us to address specific substantive questions about how and why age patterns of under-5 mortality vary by sex, time, and place, with important programmatic implications. This database will be made publicly-available, allowing the research community to easily access high-quality primary information on under-5 mortality by detailed age for their own research needs, and for further validation and replication of the project's results.