Table 3.
Generalised linear model of genetic variables and the two-kilometre time-trial time.
| Variable | β Coefficient | Standard Error | Significance | 95% CI | |
|---|---|---|---|---|---|
| ADRB1 | |||||
| Intercept | 416.292 | 7.826 | 0.000 | 400.738–431.849 | |
| Time point | 1 | 5.467 | 4.128 | 0.189 | −2.740–13.673 |
| 2 | 0 * | ||||
| ADRB1 Arg389Gly | CC | −17.568 | 8.128 | 0.034 | −33.766–−1.371 |
| CG | −13.806 | 8.297 | 0.100 | −30.301–2.688 | |
| GG | 0* | ||||
| ACE | |||||
| Intercept | 397.802 | 4.403 | 0.000 | 389.049–406.556 | |
| Time point | 1 | 5.467 | 4.198 | 0.196 | −2.878–13.812 |
| 2 | 0 * | ||||
| ACE I/D | II | 6.049 | 5.815 | 0.301 | −5.510–17.608 |
| ID | 4.146 | 4.999 | 0.409 | −5.791–14.084 | |
| DD | 0 * | ||||
| ACTN3 | |||||
| Intercept | 399.571 | 9.807 | 0.00 | 380.074–419.067 | |
| Time point | 1 | 5.467 | 4.222 | 0.199 | −2.927–13.860 |
| 2 | 0 * | ||||
| ACTN3 R577X | CC | 0.748 | 10.153 | 0.941 | −19.436–20.932 |
| CT | 2.929 | 10.093 | 0.772 | −17/135–22.993 | |
| TT | 0 * | ||||
| PPARGC1a | |||||
| Intercept | 389.763 | 6.175 | 0.00 | 377.488–402.038 | |
| Time point | 1 | 5.467 | 4.111 | 0.187 | −2.706–13.640 |
| 2 | 0 * | ||||
| PPARGC1a Gly482Ser | GG | 14.421 | 6.595 | 0.031 | 1.311–27.531 |
| AG | 11.293 | 6.800 | 0.100 | −2.224–24.810 | |
| AA | 0* | ||||
Note: Significant effects are bolded. * indicated comparison group. β coefficient = standardised effect size.