Obesity is a major public health concern worldwide. This study aims to investigate the accuracy of parental perception of child's weight and related factors as well as how underestimation is associated with the prevalence of childhood obesity.

中文翻译：

---

父母对孩子体重状况的误解以及体重低估与儿童肥胖的关系如何。

肥胖是全世界主要的公共卫生问题。这项研究旨在调查父母对孩子体重和相关因素的理解的准确性，以及低估与儿童肥胖症患病率的关系。