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. 2023 Aug 23;11:1219703. doi: 10.3389/fpubh.2023.1219703

Table 3.

Double machine learning estimation results.

Estimation method for the dependent variable RF SVM
Estimation method for the independent variable RF SVM RF SVM
−0.442*** −0.446*** −0.419*** −0.542***
St.Err. 0.090 0.093 0.086 0.088
N 22,625 22,625 22,625 22,625

*, **, and *** represent statistical significance at the 10%, 5%, and 1% levels, respectively.