ArticleFrontiers in pediatrics2025
Reliability of the PREFIT fitness-test battery in Chilean preschoolers.
Article in Frontiers in pediatrics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Associations Among Diet Quality, Motor Competence, and Physical Fitness in Preschool Children: A Cross-Sectional Study.Nutrients · 2026Article
- Postural Stability and Physical Fitness in Preschool Children: Associations with Lower-Limb Muscular Strength, Speed/Agility, and Cardiorespiratory Fitness.Children (Basel, Switzerland) · 2026Article
- Postural Stability, Rather than Strength-Coordination, Is Associated with Executive Functions in Preschool Children: A Structural Equation Modeling Study.Children (Basel, Switzerland) · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: This study explores the test-retest reliability of the FITness in PREschoolers (PREFIT) battery, including cardiorespiratory fitness [20 m shuttle run test (SRT)], upper-body muscle strength (handgrip strength), lower-body explosive strength (standing long jump), speed (4 × 10 m shuttle run), and static balance (one-leg stance), in Chilean preschoolers considering weight status, sex, and age. Methods: The study included 171 Chilean preschoolers (5.4 ± 0.7 years). The PREFIT battery was applied using a test-retest design within 7-10 days between evaluations, and weight status was determined using BMI Results: Among the 171 preschoolers (5.4 ± 0.7 years), test-retest reliability ranged from excellent to moderate for handgrip strength (ICC = 0.8502; 95% CI: 0.81-0.90), 4 × 10 m shuttle run test (ICC = 0.7696, 95% CI: 0.71-0.84), and PREFIT 20 m SRT (ICC = 0.6656; 95% CI: 0.58-0.74), but was poor for the one-leg stance test (ICC = 0.46; 95% CI: 0.36-0.63). SEM and MDC95 values indicated that changes of 0.85 kg, MDC = 9,502.35 kg (handgrip strength), ≥0.89 s (4 × 10 m shuttle run test), ≥5.33 laps (20 m shuttle run test), and ≥12.43 cm (standing long jump) exceeded measurement error. Reliability was similar across sex, age, and weight-status groups. Bland-Altman analyses showed proportional bias and heteroscedasticity for the 20 m shuttle run test and one-leg stance. At the same time, the remaining tests demonstrated consistent measurement error throughout the performance spectrum. Conclusion: The PREFIT battery is appropriate for field application among Chilean preschool children, except for the one-leg stance test, which demonstrated inadequate reliability and proportional bias. Reporting MDC95 enables the interpretation of significant change within educational and intervention contexts.
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