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Table 5 Intraclass correlation coefficient and Cronbach’s alpha coefficient according to SCINEXA score domain

From: Exploratory study of the reproducibility of the SCore for INtrinsic and EXtrinsic skin aging (SCINEXA) scale in “Ruta Escondida de la Mitad del Mundo”, Ecuador, 2017

  ICC IC95% P value Cronbach alpha
Intrinsic domain 0.98 0.97–0.99 0.000* 0.99
Extrinsic domain 0,75 0.60–0.86 0.000* 0.90
Total score 0.98 0.97–0.98 0.000* 0.99
  1. *significant p < 0.05 Source: Prepared by the authors from the study results
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BMC Dermatology

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