2024-03-29T02:20:33Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1713222020-12-10T11:42:07Zcom_10261_70com_10261_2col_10261_323
DIGITAL.CSIC
author
Garaulet, Marta
author
Martinez-Nicolas, Antonio
author
Ruiz, Jonatan R.
author
Konstabel, Kenn
author
Labayen, Idoia
author
González Gross, Marcela
author
Marcos, Ascensión
author
Molnár, Dénes
author
Widhalm, Kurt
author
Casajús, Jose Antonio
author
De Henauw, Stefaan
author
Kafatos, Anthony
author
Breidenassel, C.
author
Sjöström, Michael
author
Castillo, Manuel J.
author
Moreno, Luis A.
author
Madrid, Juan A.
author
Ortega, F. B.
funder
Instituto de Salud Carlos III
funder
Ministerio de Ciencia e Innovación (España)
funder
Ministerio de Sanidad y Consumo (España)
funder
Ministerio de Economía y Competitividad (España)
funder
European Commission
2018-10-22T09:06:56Z
2018-10-22T09:06:56Z
2017
Clinical Nutrition 36(6): 1558-1566 (2017)
http://hdl.handle.net/10261/171322
10.1016/j.clnu.2016.09.026
http://dx.doi.org/10.13039/501100004587http://dx.doi.org/10.13039/501100000780http://dx.doi.org/10.13039/501100003329http://dx.doi.org/10.13039/501100004837
27890490
[Background & aims]: Chronobiology studies periodic changes in living organisms and it has been proposed as a promising approach to investigate obesity. We analyze the association of the characteristics of the rest-activity rhythms with obesity, cardiorespiratory fitness and metabolic risk in adolescents from nine European countries. [Methods]: 1044 adolescents (12.5–17.5 y) were studied. Circadian health was evaluated by actigraphy with accelerometers (Actigraph GT1M). Characteristics of the daytime activity such as fragmentation (intradaily variability), estimated acrophase, and 10 h mean daytime activity index were obtained. Body composition was assessed using Bioelectrical-Impedance-Analysis, skinfold thickness, air-displacement-plethysmography and Dual-energy-X-ray-Absorptiometry. Cardiorespiratory fitness (VO) and metabolic risk were studied. [Results]: Highly fragmented activity rhythms were associated with obesity and central adiposity (P < 0.05). Obese adolescents had ∼3 times higher odds of having a high fragmentation of daytime activity compared to normal weight adolescents OR (95% CI) = 2.8 (1.170, 6.443). A highly fragmented rhythm was also related to lower cardiorespiratory fitness and higher metabolic risk (P < 0.05) so those adolescents classified as low fitness showed a significantly higher fragmentation of daytime activity than those included in the high fitness group (P < 0.0001). Other characteristics of the rhythms such as smaller 10 h daytime mean activity index and delayed estimated acrophase were also related to obesity and metabolic risk (P < 0.05). [Conclusions]: Our results indicate that the daily organization of the rest-activity cycle is more fragmented in obese and less fit adolescents and correlates with higher metabolic risk. This fact reinforces our hypothesis that disturbances in daily rhythms can be considered as sensitive markers of poorer adolescent's health.
eng
closedAccess
Obesity
Adolescents
Cardiorespiratory fitness
Rest-activity rhythms
Daily
Fragmentation of daily rhythms associates with obesity and cardiorespiratory fitness in adolescents: The HELENA study
artículo
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URL
https://digital.csic.es/bitstream/10261/171322/1/accesoRestringido.pdf
File
MD5
42637ae8545636bc41605c1740a9a84e
15753
application/pdf
accesoRestringido.pdf