As in other research, women in our sample tend to over-perceive their weight they think they're heavier than they are while men tend to under-perceive theirs.
和其他研究一样，我们样本中的女性倾向于高估自身体重，她们会认为自己比实际体重更重，而男性则倾向于低估自身体重。
"Looking at the CARDIA sample data, we found that everyone, as a whole, gained weight during the 15-year period of time that we examined," said Needham.
“观察CARDIA的样本数据，我们发现，总体而言，每个人在我们考察的15年的时期里都有体重增长，”Needham说。
The technical key of the method is to create the sample set and initial weight as well as to optimize the model.
该方法的技术关键是样本集和初始权重的建立，以及模型的优选。
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