Table 3.
Mean difference (mL·kg−1·min−1), R-square coefficient, standard error of estimate, and intraclass correlation between V O2max assessed and estimated by three non-exercise models (N = 117).
| Total (N = 117) | Males (N = 70) | Females (N = 47) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| V O2max | V O2max | V O2max | |||||||||||||
| Mean difference | r 2 | SEE | ICC | P | Mean difference | r 2 | SEE | ICC | P | Mean difference | r 2 | SEE | ICC | P | |
| VSAQ | 4.94 (11.9%) | 0.16 | 7.63 | 0.57 | <0.0001 | −1.81 (−4.1%) | 0.05 | 7.92 | 0.36 | <0.0317 | −1.24 (−3.3%) | 0.07 | 7.17 | 0.42 | <0.040 |
| RPC | 0.24 (1.0%) | 0.09 | 7.60 | 0.46 | <0.001 | 3.22 (7.3%) | 0.17 | 1.70 | 0.58 | <0.0001 | −3.49 (−9.2%) | 0.07 | 8.35 | 0.42 | <0.035 |
| CRF | −3.54 (−8.5%) | 0.53 | 5.75 | 0.83 | <0.0001 | −3.89 (−8.9%) | 0.37 | 6.01 | 0.76 | <0.0001 | −2.90 (−7.7%) | 0.47 | 5.36 | 0.81 | <0.0001 |
VSAQ: Veteran Specific Activity Questionnaire using the following equation: V O2 (mL·kg−1·min−1) = (4.7 + 0.97 (VSAQ) − 0.06 (age) × 3.5); for women this value was multiplied by 0.85 [8]; RPC: Rating of Perceived Capacity; CRF: Cardiorespiratory Fitness.