Table 4.
Criterion of validity of the physical fitness questionnaire (*) in the pediatric population.
| Components | Children (n = 190) | Adolescents (n = 110) | ||
|---|---|---|---|---|
| Agreement % | K | Agreement % | k | |
| Overall fitness | 82.63 | 0.60 | 82.73 | 0.49 |
| Cardiorespiratory fitness | 86.26 | 0.65 | 81.82 | 0.40 |
| Muscular strength | 76.26 | 0.50 | 83.84 | 0.43 |
| Speed and agility | 79.47 | 0.50 | 86.36 | 0.54 |
| Flexibility | 70.00 | 0.40 | 84.55 | 0.53 |
* IFIS-LP: International Fitness Scale, Portuguese version, applied at two different times with an interval of 15 days; κ: Moderate (or above) kappa concordance coefficient (κ ≥ 0.40) values are in bold; criterion validity: Estimated by the agreement between the questionnaire and the physical test.