Skip to main content

Table 3 Confirmatory factor analysis indices obtained for the Brazilian Portuguese version of the Exercise Adherence Rating Scale (EARS-Br) and for the EARS reasons for adherence (EARS-RA-Br) (n = 108)

From: The Brazilian Portuguese version of the Exercise Adherence Rating Scale (EARS-Br) showed acceptable reliability, validity and responsiveness in chronic low back pain

 CMIN/dfCAICCFIGFIECVI (90% CI)RMSEA (90% CI)
ModelsEARS-Br
EARS-Br – 6 items#1.8970.140.970.930.38 (0.27–0.55)0.08 (0.03–0.14)
 EARS-RA-Br
EARS-RA-Br 10 items&1.63182.950.900.910.92 (0.77–1.13)0.07 (0.03–0.11)
EARS-RA-Br 9 items&&1.61157.970.930.930.75 (0.62–0.94)0.07 (0.02–0.12)
  1. #One factor structure with 6 items relating to adherence behavior (6-items of section B) (Beinart et al., 2016)
  2. &One factor structure with 10 questions relating to reasons for adherence (10-items of section C) of original EARS (Newman-Beinart et al., 2016)
  3. &&One factor structure with 10 questions relating to reasons for adherence (10-items of section C) of original EARS (Newman-Beinart et al., 2016) with the exclusion of item 8
  4. CMIN/df = χ2/df; CAIC = consistent Akaike information criterion; RMSEA = root-mean-square error of approximation; 90% CI = 90% confidence interval for RMSEA; CFI = comparative fit index; GFI = goodness of fit; ECVI = expected cross-validation index
  5. n = sample size