Table 4 Goodness-of-fit indices for measurement invariance analyses across sex
From: Disablement in the Physically Active Scale Short Form-8: psychometric evaluation
χ2 | df | χ2diff (dfdiff) | CFI | CFIdiff | TLI | RMSEA | |
|---|---|---|---|---|---|---|---|
Males (n = 216) | 19.66 | 19 | – | .999 | – | .999 | .013 |
Females (n = 236) | 20.60 | 19 | – | .998 | – | .997 | .019 |
Configural (equal form) | 40.26 | 38 | – | .999 | – | .998 | .011 |
Metric (equal loadings) | 51.86 | 44 | 11.60(6) | .995 | .004 | .994 | .020 |
Equal factor variances | 52.16 | 46 | 11.90(8) | .996 | .003 | .996 | .017 |
Scalar (equal indicator intercepts) | 59.98 | 50 | 19.72(12) | .994 | .005 | .993 | .021 |
Equal latent means | 65.27 | 52 | 25.01(14) | .992 | .007 | .991 | .024 |