Table 3.
The State Mindfulness Scale for Physical Activity-2 (SMS-PA-2) confirmatory analysis model fit indices and measurement invariance across sex groups.
| Models | χ2 | df | CFI | RMSEA | 90% CI | SRMR |
|---|---|---|---|---|---|---|
| Original 4-factor model (19 items) | 473.1 | 143 | 0.92 | 0.065 | 0.059–0.072 | 0.060 |
| 4-factor model without statement 15 (18 items) | 338.8 | 126 | 0.95 | 0.056 | 0.049–0.063 | 0.048 |
| 4-factor model in men only (18 items) | 230.4 | 126 | 0.94 | 0.055 | 0.044–0.066 | 0.053 |
| 4-factor model in women only (18 items) | 281.0 | 126 | 0.93 | 0.068 | 0.057–0.078 | 0.059 |
| Configural model | 511.3 | 252 | 0.94 | 0.062 | 0.054–0.069 | 0.056 |
| Metric model | 543.9 | 266 | 0.93 | 0.062 | 0.055–0.070 | 0.066 |
| Scalar model | 568.8 | 280 | 0.93 | 0.062 | 0.055–0.069 | 0.066 |
CFI—comparative fit index, RMSEA—root mean square error of approximation, SRMR—standardized root mean square residual, df—degree of freedom, CI—confidence interval.