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)
| CMIN/df | CAIC | CFI | GFI | ECVI (90% CI) | RMSEA (90% CI) | |
|---|---|---|---|---|---|---|
| Models | EARS-Br | |||||
| EARS-Br – 6 items# | 1.89 | 70.14 | 0.97 | 0.93 | 0.38 (0.27–0.55) | 0.08 (0.03–0.14) |
| EARS-RA-Br | ||||||
| EARS-RA-Br 10 items& | 1.63 | 182.95 | 0.90 | 0.91 | 0.92 (0.77–1.13) | 0.07 (0.03–0.11) |
| EARS-RA-Br 9 items&& | 1.61 | 157.97 | 0.93 | 0.93 | 0.75 (0.62–0.94) | 0.07 (0.02–0.12) |
#One factor structure with 6 items relating to adherence behavior (6-items of section B) (Beinart et al., 2016)
&One factor structure with 10 questions relating to reasons for adherence (10-items of section C) of original EARS (Newman-Beinart et al., 2016)
&&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
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
n = sample size