Subsequently, multiple linear ordinary least square (OLS) regression models were constructed in which potential sociodemographic, lifestyle, and dietary predictors of serum antioxidants (continuous retinol+retinyl esters, total carotenoids, and loge-transformed vitamins E and C) were evaluated with the Wald test.
这是我在看文献的时候看到的方法部分的介绍，据我了解OLS就是普通的多元线性回归（不太确定），那么Wald检验又是怎么和OLS结合的呢，Wald检验一般不是在Logistic回归里面出现的吗？望大家批评和解答！
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