Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School

Schools are an important arena to curb the decline in physical activity (PA) in youth. School-based interventions with accelerometer-measured PA are warranted. This study aimed to increase accelerometer-measured PA in adolescents following a 12-month school-based intervention. Two school-classes of...

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Autores principales:	Filip Christiansen, Viktor H. Ahlqvist, Mikaela Nyroos, Hans Löfgren, Daniel Berglind
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	physical activity school-based intervention accelerometer Medicine R
Acceso en línea:	https://doaj.org/article/1587decf044140519a3d1f7faccedf48
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spelling	oai:doaj.org-article:1587decf044140519a3d1f7faccedf482021-11-11T16:11:42ZPhysical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School10.3390/ijerph1821110411660-46011661-7827https://doaj.org/article/1587decf044140519a3d1f7faccedf482021-10-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/21/11041https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601Schools are an important arena to curb the decline in physical activity (PA) in youth. School-based interventions with accelerometer-measured PA are warranted. This study aimed to increase accelerometer-measured PA in adolescents following a 12-month school-based intervention. Two school-classes of 16–18-year-old Swedish students were allocated to intervention group and control group. Accelerometer-measured PA was gathered at baseline, 6- and 12-month follow-up. Mixed-effects linear regression was used to investigate between-group and within-group differences in mean minutes per day (min/day) of moderate to vigorous PA (MVPA), light PA (LPA) and sedentary time (ST). Fifty-seven students participated (intervention group = 31, control group = 26). At 12-month follow-up, the intervention group performed 5.9 (95% CI: −4.3, 16.2) min/day more in MVPA, 1.8 (95% CI: −17.9, 14.2) min/day less in LPA, and 4.1 (95% CI: −27.3, 19.2) min/day less in ST compared to the control group. Within the intervention group, there was no significant change in PA. Within the control group, LPA decreased (95% CI: −19.6, −0.2; <i>p</i> = 0.044) and ST increased (95% CI: 1.8, 30.8; <i>p</i> = 0.028). Although no between-group differences in PA were statistically significant, the within-group changes may suggest a preventive impact on the decline in PA during adolescence.Filip ChristiansenViktor H. AhlqvistMikaela NyroosHans LöfgrenDaniel BerglindMDPI AGarticlephysical activityschool-based interventionaccelerometerMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11041, p 11041 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	physical activity school-based intervention accelerometer Medicine R
spellingShingle	physical activity school-based intervention accelerometer Medicine R Filip Christiansen Viktor H. Ahlqvist Mikaela Nyroos Hans Löfgren Daniel Berglind Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
description	Schools are an important arena to curb the decline in physical activity (PA) in youth. School-based interventions with accelerometer-measured PA are warranted. This study aimed to increase accelerometer-measured PA in adolescents following a 12-month school-based intervention. Two school-classes of 16–18-year-old Swedish students were allocated to intervention group and control group. Accelerometer-measured PA was gathered at baseline, 6- and 12-month follow-up. Mixed-effects linear regression was used to investigate between-group and within-group differences in mean minutes per day (min/day) of moderate to vigorous PA (MVPA), light PA (LPA) and sedentary time (ST). Fifty-seven students participated (intervention group = 31, control group = 26). At 12-month follow-up, the intervention group performed 5.9 (95% CI: −4.3, 16.2) min/day more in MVPA, 1.8 (95% CI: −17.9, 14.2) min/day less in LPA, and 4.1 (95% CI: −27.3, 19.2) min/day less in ST compared to the control group. Within the intervention group, there was no significant change in PA. Within the control group, LPA decreased (95% CI: −19.6, −0.2; <i>p</i> = 0.044) and ST increased (95% CI: 1.8, 30.8; <i>p</i> = 0.028). Although no between-group differences in PA were statistically significant, the within-group changes may suggest a preventive impact on the decline in PA during adolescence.
format	article
author	Filip Christiansen Viktor H. Ahlqvist Mikaela Nyroos Hans Löfgren Daniel Berglind
author_facet	Filip Christiansen Viktor H. Ahlqvist Mikaela Nyroos Hans Löfgren Daniel Berglind
author_sort	Filip Christiansen
title	Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
title_short	Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
title_full	Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
title_fullStr	Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
title_full_unstemmed	Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School
title_sort	physical activity through a classroom-based intervention: a pragmatic non-randomized trial among swedish adolescents in an upper secondary school
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/1587decf044140519a3d1f7faccedf48
work_keys_str_mv	AT filipchristiansen physicalactivitythroughaclassroombasedinterventionapragmaticnonrandomizedtrialamongswedishadolescentsinanuppersecondaryschool AT viktorhahlqvist physicalactivitythroughaclassroombasedinterventionapragmaticnonrandomizedtrialamongswedishadolescentsinanuppersecondaryschool AT mikaelanyroos physicalactivitythroughaclassroombasedinterventionapragmaticnonrandomizedtrialamongswedishadolescentsinanuppersecondaryschool AT hanslofgren physicalactivitythroughaclassroombasedinterventionapragmaticnonrandomizedtrialamongswedishadolescentsinanuppersecondaryschool AT danielberglind physicalactivitythroughaclassroombasedinterventionapragmaticnonrandomizedtrialamongswedishadolescentsinanuppersecondaryschool
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Physical Activity through a Classroom-Based Intervention: A Pragmatic Non-Randomized Trial among Swedish Adolescents in an Upper Secondary School

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