Table 4. Summary of the factor retention measures used in exploratory factor analysis of the physical activity questionnaire-children (PAQ-C).
| Number of Factors | Eigenvalue | Cumulative variance explained (%) | Above point of inflection on Scree plot | Decision to extract | ||
|---|---|---|---|---|---|---|
| Kaiser’s criteria (Eigenvalue ≥ 1) | Cumulative variance rule (>40%) | Scree test | ||||
| 1 | 3.21 | 35.69 | Yes | √ | √ | √ |
| 2 | 1.09 | 47.84 | No | √ | √ | ✗ |
| 3 | 0.96 | 58.55 | No | ✗ | ✗ | ✗ |
| 4 | 0.78 | 67.23 | No | ✗ | ✗ | ✗ |
| 5 | 0.72 | 75.26 | No | ✗ | ✗ | ✗ |
Note:
√ indicates extraction criteria fulfilled, ✗ indicates otherwise.