Arabic translation, cultural adaptation, and validation of the BDDQ-AS for rhinoplasty patients

Table 3 Test–retest reliability and internal consistency of items of the Arabic version of BDDQ-AS

Item	Corrected item-total correlation	Cronbach alpha if item removed	ICC (95% CI)	Cronbach alpha (standardized)
Q1	0.791	0.935	0.978 (0.967–0.986)	0.989
Q2	0.753	0.936	0.921 (0.883–0.947)	0.959
Q3	0.912	0.911	0.974 (0.961–0.983)	0.987
Q4	0.926	0.909	0.976 (0.961–0.984)	0.989
Q5	0.94	0.909	0.961 (0.942–0.974)	0.981
Q6	0.9	0.913	0.97 (0.955–0.98)	0.985
Q7	0.789	0.935	0.844 (0.773–0.894)	0.915
Total			0.989 (0.983–0.993)	0.995

Cronbach alpha > 0.7 is acceptable, > 0.8 is good, and > 0.9 is excellent r Correlation coefficient ICC test–retest interclass correlation coefficient CI Confidence interval

ISSN: 1916-0216