Table 2.
Fixed effects of the final model computed with standard errors (SE), 95% confidence intervals (95 CI), test-score (t-score), and significance value (p).
| Fixed effect | Estimate (SE) | 95 CI | t-score | p value |
|---|---|---|---|---|
| Dominant swim speed | ||||
| UST | − 0.241 (0.071) | − 0.380; − 0.102 | 3.394 | < 0.001 |
| Handgrip | 0.005 (0.002) | 0.001; 0.009 | − 2.500 | < 0.001 |
| vpeak | 0.522 (0.060) | 0.404; 0.640 | − 8.700 | < 0.001 |
| dv | − 0.013 (0.002) | − 0.017; − 0.010 | 6.500 | < 0.001 |
| Non-dominant swim speed | ||||
| Decimal age | − 0.049 (0.013) | − 0.074; − 0.024 | 3.769 | < 0.001 |
| Arm | 0.009 (0.004) | 0.001; 0.017 | − 2.250 | 0.018 |
| HSA | − 0.003 (0.001) | − 0.005; − 0.001 | 3.000 | < 0.001 |
| Fmean | 0.002 (0.001) | 0.00004; 0.00396 | − 2.000 | 0.029 |
| vpeak | 0.756 (0.040) | 0.678; 0.834 | − 18.900 | < 0.001 |
| dv | − 0.013 (0.001) | − 0.015; − 0.011 | 13.000 | < 0.001 |
UST underwater stroke time, vpeak peak swim speed, dv intra-cyclic variation of the swim speed, HSA hand surface area, Fmean mean thrust of the arm-pull.