Longitudinal changes in vigorous intensity physical activity fromchildhood to adolescence: Gateshead Millennium Study
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comunitat-uji-handle2:10234/174799
comunitat-uji-handle3:10234/174800
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INVESTIGACIONMetadata
Title
Longitudinal changes in vigorous intensity physical activity fromchildhood to adolescence: Gateshead Millennium StudyAuthor (s)
Date
2019-04Publisher
ElsevierISSN
1440-2440Bibliographic citation
BELTRAN-VALLS, Maria Reyes, et al. Longitudinal changes in vigorous intensity physical activity from childhood to adolescence: Gateshead Millennium Study. Journal of Science and Medicine in Sport, 2019, vol. 22, no 4, p. 450-455.Type
info:eu-repo/semantics/articlePublisher version
https://www.sciencedirect.com/science/article/pii/S1440244018302937Version
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Abstract
Objective: The aims of our study were to quantify levels and investigate sex-specific changes and trajec-tories in VPA longitudinally from age 7 to 15 years.Design: Longitudinal observational study.Methods: Participants ... [+]
Objective: The aims of our study were to quantify levels and investigate sex-specific changes and trajec-tories in VPA longitudinally from age 7 to 15 years.Design: Longitudinal observational study.Methods: Participants were part of the Gateshead Millennium Study. Measures were taken at age 7(n = 507), 9 (n = 510), 12 (n = 425) and 15 years (n = 310). Vigorous physical activity was quantified objec-tively using ActiGraph GT1 M accelerometers over 5–7 days at the four time-points. Multilevel linearspline random-effects model and trajectory analysis to identify sub-groups were performed.Results: In boys, average VPA declined across childhood followed by an increase at adolescence, while ingirls, average VPA declined across the 8-year study period. In boys, daily VPA decreased from 9-12 years(1.70 minutes/year) and increased from 12-15 years (1.99 minutes/year) (all p < 0.05). In girls daily VPAdecreased from 7-9 years (1.70 minutes/year) (p < 0.05). Three VPA trajectories were identified whichdiffered between the sexes. In boys, one group decreased from an initial relatively high level, one group,initially relatively low, increased, whereas the third one was stable over the 8-year period. In girls, allthree groups declined from baseline.Conclusions: Marked sex and age-specific trajectories in VPA change were observed. These novel findingsshould help sports and exercise medicine specialists, as well as policy makers, in their effort to maintainor increase VPA in childhood and adolescence. [-]
Investigation project
This work was supported by grants from the Scottish Government Chief Scientist Office (grant CZH/4/484 and CZH/4/979), the UK National Prevention Research Initiative (GO501306), and Gateshead PCTRights
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