Table 4 Reliability and validity statistics of the ODI

 Cronbach’s α [95% CI]

0.78 [0.74–0.82]

 Revelle’s β [95% CI]

0.66 [0.56–0.73]

 McDonald’s ω_h [95% CI]

0.58 [0.47–0.69]

 McDonald’s ω_t [95% CI]

0.85 [0.80–0.87]

 ECV [95% CI]

45% [36–58%]

 CR [95% CI]

0.84 [0.81–0.86]

 AVE [95% CI]

0.35 [0.31–0.39]

 Fornell-Larcker criterion

−0.09

 CFI

0.89

 TLI

0.86

 RMSEA [90% CI]

0.074 [0.052–0.096]

 CFit (p value of RMSEA ≤0.05)

0.04

 SRMR

0.06

 WRMR

0.88

 PCS [90% CI]

0.86 [0.77–0.93]

 MCS [90% CI]

0.53 [0.42–0.64]

  H _s

0.31

 LCRC

0.80