Skip to main content

Table 1 Crombach’s alpha coefficients in the original reports and current study

From: Body image in idiopathic scoliosis: a comparison study of psychometric properties between four patient-reported outcome instruments

Instrument Internal consistency  
  Original Current
QLPSD-bi α = 0.703* α = 0.80
SRS-22 self image α = 0.7313* α = 0.78
SAQ total α = 0.888* α = 0.88
SAQ appearance α = 0.898* α = 0.89
SAQ expectations α = 0.888* α = 0.87
TAPS α = 0.8910* α = 0.87
  1. *Bibliographical references from which the original values were found.