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. 2023 May 23;9(6):e16362. doi: 10.1016/j.heliyon.2023.e16362

Table 2.

Unidimensionality test.

Variable Characteristic value of the first principal component Characteristic value of the second principal component
HR 2.195 0.668
MR 3.316 0.400
FR 3.867 0.091