Many studies have documented that breastfeeding is associated with a significant reduction in child obesity risk. However, a persistent problem in this literature is that unobservable confounders may drive the correlations between breastfeeding behaviors and child weight outcomes.

中文翻译：

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母乳喂养的时间会减少儿童肥胖吗？工具变量分析。

许多研究已经证明，母乳喂养可以显着降低儿童肥胖的风险。但是，该文献中的一个持续问题是，无法观察到的混杂因素可能会推动母乳喂养行为与儿童体重结局之间的相关性。