Construct validity and test-retest reliability of the International Fitness Scale (IFIS) in Colombian children and adolescents aged 9-17.9 years: the FUPRECOL study

There is a lack of instruments and studies written in Spanish evaluating physical fitness, impeding the determination of the current status of this important health indicator in the Latin population, especially in Colombia. The aim of the study was two-fold: to examine the validity of the Internatio...

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Bibliographic Details
Published in:PeerJ (San Francisco, CA) CA), 2017-05, Vol.5, p.e3351-e3351, Article e3351
Main Authors: Ramírez-Vélez, Robinson, Cruz-Salazar, Sandra Milena, Martínez, Myriam, Cadore, Eduardo L, Alonso-Martinez, Alicia M, Correa-Bautista, Jorge E, Izquierdo, Mikel, Ortega, Francisco B, García-Hermoso, Antonio
Format: Article
Language:English
Subjects:
Adipose tissue
Adolescents
Analysis
Blood pressure
Body fat
Body mass
Body mass index
Cardiovascular disease
Child
Children
Children & youth
Diabetes
Elementary school students
Epidemiology
Evaluation
Exercise
Fitness
Health aspects
Lipids
Medicin och hälsovetenskap
Medicine
Metabolic syndrome
Nutrition
Pediatrics
Physical education
Physical fitness
Public Health
Risk factors
Self report
Skinfold thickness
Sports medicine
Surveys and questionnaires
Teenagers
Test reliability
Test validity
Validation studies
Validity
Young adults
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Summary:There is a lack of instruments and studies written in Spanish evaluating physical fitness, impeding the determination of the current status of this important health indicator in the Latin population, especially in Colombia. The aim of the study was two-fold: to examine the validity of the International Fitness Scale (IFIS) with a population-based sample of schoolchildren from Bogota, Colombia and to examine the reliability of the IFIS with children and adolescents from Engativa, Colombia. The sample comprised 1,873 Colombian youths (54.5% girls) aged 9-17.9 years. We measured their adiposity markers (waist-to-height ratio, skinfold thickness, percentage of body fat and body mass index), blood pressure, lipids profile, fasting glucose, and physical fitness level (self-reported and measured). A validated cardiometabolic risk index score was also used. An age- and sex-matched subsample of 229 schoolchildren who were not originally included in the sample completed the IFIS twice for reliability purposes. Our data suggest that both measured and self-reported overall physical fitness levels were inversely associated with percentage of body fat indicators and the cardiometabolic risk index score. Overall, schoolchildren who self-reported "good" or "very good" fitness had better measured fitness levels than those who reported "very poor/poor" fitness (all  
ISSN:2167-8359
2167-8359
DOI:10.7717/peerj.3351