Activity-related typologies and longitudinal change in physical activity and sedentary time in children and adolescents: The UP & DOWN Study Parker, Kate, Timperio, Anna, Salmon, Jo, Villanueva, K, Brown, Helen, Esteban-Cornejo, I, Cabanas-Sánchez, V, Castro-Piñero, J, Sánchez-Oliva, D and Veiga, O 2021, Activity-related typologies and longitudinal change in physical activity and sedentary time in children and adolescents: The UP & DOWN Study, Journal of Sport and Health Science, vol. 10, no. 4, pp. 447-453, doi: 10.1016/j.jshs.2020.02.004. Attached Files Name Description MIMEType Size Downloads Title Activity-related typologies and longitudinal change in physical activity and sedentary time in children and adolescents: The UP & DOWN Study Author(s) Parker, Kate orcid.org/0000-0002-8773-5012 Timperio, Anna orcid.org/0000-0002-4734-6354 Salmon, Jo Villanueva, K orcid.org/0000-0002-5460-3654 Brown, Helen Esteban-Cornejo, I Cabanas-Sánchez, V Castro-Piñero, J Sánchez-Oliva, D Veiga, O Journal name Journal of Sport and Health Science Volume number 10 Issue number 4 Start page 447 End page 453 Total pages 8 Publisher Elsevier B. V. Place of publication Amsterdam, The Netherlands Publication date 2021-07 ISSN 2095-2546 2213-2961 Keyword(s) behavior change physical activity sedentary behavior typologies youth Social Sciences Science & Technology Life Sciences & Biomedicine Hospitality, Leisure, Sport & Tourism Sport Sciences Social Sciences - Other Topics SCHOOL TRANSPORT 3 GENERATIONS LATENT CLASS REPORT CARD BEHAVIOR Summary PurposeChildren and adolescents can be distinguished by different typologies (clusters) of physical activity and sedentary behavior. How physical activity and sedentary behaviors change over time within different typologies is not known. This study examined longitudinal changes in physical activity and sedentary time among children and adolescents with different baseline typologies of activity-related behavior.MethodsIn this longitudinal study (3 annual time points) of children (n = 600, age = 9.2 ± 0.4 years (mean ± SD), 50.3% girls) and adolescents (n = 1037, age = 13.6 ± 1.7 years, 48.4% girls), participants were recruited in Spain in 2011–2012. Latent class analyses identified typologies based on self-reported screen, educational, social and relaxing sedentary behaviors, active travel, muscle strengthening activity, and sport at baseline. Within each typology, linear mixed growth models explored longitudinal changes in accelerometer-derived moderate-to-vigorous physical activity and sedentary time, as well as time by class interactions.ResultsThree typologies were identified among children (“social screenies”: 12.8%; “exercisers”: 61.5%; and “non-sporty active commuters”: 25.7%) and among adolescents (“active screenies”: 43.5%; “active academics”: 35%; and “non-sporty active commuters”: 21.5%) at baseline. Sedentary time increased within each typology among children and adolescents, with no significant differences between typologies. No changes in physical activity were found in any typology among children. In adolescents, physical activity declined within all typologies, with “non-sporty active commuters” declining significantly more than “active screenies” over 3 years.ConclusionThese results support the need for intervention to promote physical activity and prevent increases in sedentary time during childhood and adolescence. Adolescents characterized as “non-sporty active commuters” may require specific interventions to maintain their physical activity over time. Language eng DOI 10.1016/j.jshs.2020.02.004 Indigenous content off Field of Research 1106 Human Movement and Sports Sciences HERDC Research category C1 Refereed article in a scholarly journal Copyright notice ©2020 Free to Read? Yes Persistent URL http://hdl.handle.net/10536/DRO/DU:30135903 Document type: Journal Article Collections: Faculty of Health School of Exercise and Nutrition Sciences Open Access Collection Related Links Link Description Link to full-text (open access)   Connect to Elements publication management system Go to link with your DU access privileges     Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved. Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au. 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