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纳米比亚的生育决定因素。

Determinants of fertility in Namibia.

作者信息

Indongo Nelago, Pazvakawambwa Lillian

机构信息

Department of Statistics, Faculty of Science, University of Namibia, Namibia.

出版信息

Afr J Reprod Health. 2012 Dec;16(4):50-7.

Abstract

In-depth studies on fertility in Namibia have been lacking so far. This examines the fertility trends in Namibia over the past 2 decades and examines fertility differentials across the various sub-groups of Namibia population, and factors affecting such differentials using NDHS data. Estimates of the amount of variance in the total number of children ever born that could be explained by each of the independent variables were made using multiple regression analysis for the three data sources. Overall, results from descriptive analysis show that fertility levels in Namibia have been decreasing over the past two decades. The decrease could be associated with an increased trend in the prevalence of use of modern contraceptives which doubled since 1992. Age at first birth has remained constant but age at first marriage continues to increase. As a result, postponement of marriage increases the probability that women remain childless or that they have fewer children than desired. Replacement level is projected to be attained much faster than expected and the study recommend for further research that focuses on policy implications of family planning programmes once replacement level has been achieved to maintain it.

摘要

迄今为止,纳米比亚尚未开展关于生育的深入研究。本文通过纳米比亚人口与健康调查(NDHS)数据,研究纳米比亚过去20年的生育趋势,分析纳米比亚不同亚人群体间的生育差异以及影响这些差异的因素。利用多元回归分析对三个数据源进行分析,估计每个自变量对曾生育子女总数方差的解释量。总体而言,描述性分析结果表明,纳米比亚的生育率在过去20年中呈下降趋势。这种下降可能与现代避孕措施使用普及率的上升趋势有关,自1992年以来,这一普及率翻了一番。初育年龄保持不变,但初婚年龄持续上升。因此,推迟结婚增加了女性保持无子女状态或生育子女少于预期的可能性。预计更替水平将比预期更快实现,该研究建议在更替水平实现后,针对计划生育项目的政策影响开展进一步研究,以维持这一水平。

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