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Table 5 Cronbach’s alpha results for internal consistency evaluation and Intraclass Correlation Coefficient results for test–retest reproducibility

From: Translation, cross-cultural adaptation and validation of the Mandarin version of the BDDQ-AS for rhinoplasty patients

M-BDDQ-AS

Cronbach’s α* (consistency)

n = 137

ICC (95% CI)

Total

α = 0.823

0.863 (0.795–0.931)

Q1

α = 0.776

0.783 (0.715–0.851)

Q2

α = 0.802

0.828 (0.76–0.896)

Q3

α = 0.904

0.922 (0.854–0.99)

Q4

α = 0.866

0.878 (0.81–0.946)

Q5

α = 0.892

0.910 (0.842–0.978)

Q6

α = 0.854

0.876 (0.808–0.944)

Q7

α = 0.799

0.826 (0.758–0.894)

  1. *The p-values for all the estimates < 0.05