Table 3.
Measurement Invariance by Gender, Level of Competition, and Sport Type
| Invariance Model | χ2 (df) | CFI | RMSEA (90% CI) | SRMR | Δχ2 (Δdf) | ΔCFI | ΔRMSEA | ΔSRMR | Invariance? |
|---|---|---|---|---|---|---|---|---|---|
| Testing invariance by gender: male (n = 312) vs. female (n = 550) | |||||||||
| Configural | 93.76 (18)*** | .983 | .099 (.080, .119) | .029 | -- | -- | -- | -- | Yes |
| Metric | 88.85 (23)*** | .986 | .082 (.064, .100) | .030 | 8.22 (5) | .003 | .017 | .001 | Yes |
| Scalar | 166.87 (40)*** | .972 | .086 (.073, .099) | .034 | 82.56 (17)*** | .014 | .004 | .004 | No |
| Testing invariance by level of competition: Division I (n = 588) vs. club (n = 257) | |||||||||
| Configural | 90.73 (18)*** | .984 | .098 (.078, .118) | .028 | -- | -- | -- | -- | Yes |
| Metric | 73.92 (23)*** | .989 | .072 (.054, .091) | .029 | 1.59 (5) | .005 | .026 | .001 | Yes |
| Scalar | 86.75 (40)*** | .990 | .053 (.037, .068) | .030 | 17.46 (17) | .001 | .019 | .001 | Yes |
| Testing invariance by sport type: lean (n = 418) vs. non-lean (n = 444) | |||||||||
| Configural | 97.32 (18)*** | .984 | .101 (.082, .121) | .028 | -- | -- | -- | -- | Yes |
| Metric | 86.79 (23)*** | .987 | .080 (.063, .099) | .029 | 5.94 (5) | .003 | .021 | .001 | Yes |
| Scalar | 119.11 (40)*** | .984 | .068 (.054, .082) | .033 | 38.40 (17)** | .003 | .012 | .004 | Yes |
Note. CFI = comparative fit index; RMSEA = root mean square error of approximation; CI = confidence interval; SRMR = standardized root-mean square residual.
*
p < .05
**
p < .01
***
p < .001