Excessive sedentary time and low cardiorespiratory fitness in European adolescents: the HELENA study

Background The aims of this study were to examine what amount of sedentary time is associated with low cardiorespiratory fitness (CRF) in adolescents and whether this association is independent of physical activity. Methods The study comprised 1808 adolescents aged 12.5–17.5 years from 10 European c...

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Bibliographic Details
Published in:Archives of disease in childhood 2011-03, Vol.96 (3), p.240-246
Main Authors: Martinez-Gomez, David, Ortega, Francisco B, Ruiz, Jonatan R, Vicente-Rodriguez, Germán, Veiga, Oscar L, Widhalm, Kurt, Manios, Yannis, Béghin, Laurent, Valtueña, Jara, Kafatos, Anthony, Molnar, Denes, Moreno, Luis A, Marcos, Ascension, Castillo, Manuel J, Sjöström, Michael
Format: Article
Language:English
Subjects:
Accelerometers
Adolescent
Adolescents
Anthropometry - methods
Biological and medical sciences
Body Composition
Body Height
Body Mass Index
Cardiovascular disease
Child
Child development
Children & youth
Cross-Sectional Studies
Demographic aspects
Exercise
Exercise Test - methods
Female
Gender differences
General aspects
Girls
Health behavior
Health behaviour
Humans
Leisure Activities
Lifestyles
Male
Medical sciences
Medicin och hälsovetenskap
Miscellaneous
Motor Activity - physiology
Nutrition
Physical fitness
Physical Fitness - physiology
Prevention and actions
Public health. Hygiene
Public health. Hygiene-occupational medicine
Sedentary Lifestyle
Sex Characteristics
Teenagers
Video Games
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Summary:Background The aims of this study were to examine what amount of sedentary time is associated with low cardiorespiratory fitness (CRF) in adolescents and whether this association is independent of physical activity. Methods The study comprised 1808 adolescents aged 12.5–17.5 years from 10 European cities. Sedentary time and moderate-to-vigorous physical activity (MVPA) were measured by accelerometer. CRF was assessed by the 20 m shuttle-run test. Adolescents were divided into two groups (high/low) according to FITNESSGRAM guidelines. Receiver-operating characteristic (ROC) analysis was used to determine thresholds that best discriminate between high and low CRF in adolescents. Results Adolescent girls had more sedentary time than boys (p
ISSN:0003-9888
1468-2044
1468-2044
DOI:10.1136/adc.2010.187161