Table 2 Relationship between specific muscle strength or power and age, sex or BMI
|  | Specific muscle strength β (95% CI) | Specific muscle power β (95% CI) |
|---|---|---|
Age (years) | −0.005 (− 0.008, − 0.002) p <  0.001 | −0.12 (− 0.15, − 0,08) p <  0.001 |
Sex (women) | −0.19 (− 0.27, − 0.12) p <  0.001 | 0.74 (− 0.44, 1.92) p = 0.218 |
BMI (kg·m− 2) | − 0.005 (− 0.13, 0.003) p = 0.201 | −0.001 (− 0.12, 0.12) p = 0.993 |