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中国大跃进时期早期营养不良的代际影响。

The intergenerational legacy of early-life malnutrition during the great leap forward famine in China.

作者信息

Zhang Han, Ho Wing Chung

机构信息

Urban Governance and Design Thrust, Society Hub, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China.

Department of Social and Behavioural Sciences, City University of Hong Kong, Hong Kong SAR, China.

出版信息

BMC Public Health. 2025 Apr 21;25(1):1472. doi: 10.1186/s12889-025-22571-0.

Abstract

BACKGROUND

Parents' early-age experiences may influence their life-course trajectories and potentially also affect the wellbeing of their offspring. There is an emerging body of literature on the intergenerational legacy of early childhood malnutrition. In this study, we examined whether and to what extent parental exposure to the 1959 China Famine associated with themselves and their children's outcomes. We differentiated exposures to famine at different stages (prenatal and childhood) of parents' life course.

METHOD

Using the 2010 China Family Panel Study (CFPS) data, this study applied the Difference-in-differences (DID) approach to examine the consequences of famine exposure.

RESULTS

Our analysis showed that mothers who experienced famine during their prenatal period were more likely to have lower socioeconomic outcomes and that their children were disadvantaged in terms of annual income and monthly salary. Fathers no matter born in pre-famine cohort or famine cohort are not associated with their socioeconomic outcomes, and the intergenerational consequences of famine on the economic outcomes of offspring do not appear to be conveyed along the paternal line. For health outcomes, however, the results showed that parental exposure to famine was not associated with children's health condition.

CONCLUSION

Our study extends the literature regarding Baker's hypothesis by providing the empirical evidence of the long-term intergenerational legacy of famine. Furthermore, the study enriches the empirical relevance of the intergenerational mobility research from the life-course perspective. Finally, the evidence of this study also offers policy implications for addressing the persistence of intergenerational inequality and poverty caused by early-life shocks.

摘要

背景

父母早年的经历可能会影响他们的人生轨迹,也可能会影响其子女的幸福。关于儿童早期营养不良的代际影响,现有文献不断涌现。在本研究中,我们考察了父母经历1959年中国饥荒与其自身及子女结局之间是否存在关联以及关联程度如何。我们区分了父母人生不同阶段(产前和童年)接触饥荒的情况。

方法

本研究使用2010年中国家庭追踪调查(CFPS)数据,采用双重差分法(DID)来考察饥荒暴露的后果。

结果

我们的分析表明,产前经历饥荒的母亲更有可能拥有较低的社会经济地位,并且她们的子女在年收入和月工资方面处于劣势。无论父亲出生在饥荒前队列还是饥荒队列,均与他们的社会经济地位无关,饥荒对后代经济状况的代际影响似乎并非通过父系传递。然而,对于健康状况,结果表明父母接触饥荒与子女的健康状况无关。

结论

我们的研究通过提供饥荒长期代际影响的实证证据,扩展了关于贝克假说的文献。此外,该研究从人生历程的角度丰富了代际流动研究的实证意义。最后,本研究的证据还为解决由早期生活冲击导致的代际不平等和贫困的持续存在提供了政策启示。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3bb1/12010571/80623493b6b8/12889_2025_22571_Fig1_HTML.jpg

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