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dc.contributor.authorSmith, Jordan J.
dc.contributor.authorBeauchamp, Mark R.
dc.contributor.authorPuterman, Eli
dc.contributor.authorLeahy Angus, A.
dc.contributor.authorValkenborghs, Sarah R.
dc.contributor.authorWade, Levi
dc.contributor.authorChen, Frances
dc.contributor.authorLubans, David R.
dc.date.accessioned2024-11-01T11:50:11Z
dc.date.available2024-11-01T11:50:11Z
dc.date.issued2025
dc.identifier.citationSmith, J. J., Beauchamp, M. R., Puterman, E., Leahy Angus, A., Valkenborghs, S. R., Wade, L., Chen, F., & Lubans, D. R. (2025). Physical activity intensity and older adolescents’ stress : The ‘STress-Reactivity after Exercise in Senior Secondary EDucation’ (STRESSED) 3-arm randomised controlled trial. <i>Psychology of Sport and Exercise</i>, <i>76</i>, Article 102754. <a href="https://doi.org/10.1016/j.psychsport.2024.102754" target="_blank">https://doi.org/10.1016/j.psychsport.2024.102754</a>
dc.identifier.otherCONVID_243321336
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/98026
dc.description.abstractObjectives Late adolescence (15-19 years) is a period of heightened susceptibility to stress, but regular physical activity may attenuate reactivity to stressors. We aimed to explore the effects of physical activity intensity on older adolescents’ stress-reactivity and self-reported mental health. Design and methods. Three-arm randomised controlled trial in New South Wales, Australia (April-June, 2021). Thirty-seven older adolescents (16.1±0.2 years, 59.5% female) were randomised to: i) non active control (CON), ii) light-intensity physical activity (LPA), or iii) moderate-to-vigorous-intensity physical activity (MVPA). Physical activity groups participated in 2 x 20-min sessions/week for 6 weeks. Salivary cortisol (sCort) reactivity to induced stress was assessed using the Trier Social Stress Test for Groups and quantified as area under the curve (sCortAUC; Primary outcome). Secondary outcomes included peak cortisol (sCortPeak), subjective-reactivity, perceived stress, and non-specific psychological distress. Group differences were assessed using multiple linear regression and quantified using Cohen’s d. Results No effects were observed for sCortAUC or sCortPeak and the pattern of effects for subjective-reactivity was inconsistent. Effects for self-reported mental health were also non-significant (p > .05 for all) but of meaningful magnitude, favouring LPA and MVPA over CON (d’s = -0.38 to -0.54). Delivery fidelity was high, satisfaction was moderate-to-high, and there was no evidence of harm. However, recruitment, retention for sCort measures, and adherence were lower than expected. Conclusion Suboptimal recruitment, retention, and adherence limited our ability to conclude on the effect of physical activity intensity on older adolescents’ sCort-reactivity to induced stress. We observed potentially meaningful effects on self-reported mental health irrespective of intensity, which could be confirmed in a future powered trial.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherElsevier
dc.relation.ispartofseriesPsychology of Sport and Exercise
dc.rightsCC BY 4.0
dc.subject.otherschool
dc.subject.otherintervention
dc.subject.othercortisol
dc.subject.otheryouth
dc.subject.otherfitness
dc.titlePhysical activity intensity and older adolescents’ stress : The ‘STress-Reactivity after Exercise in Senior Secondary EDucation’ (STRESSED) 3-arm randomised controlled trial
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202411016874
dc.contributor.laitosLiikuntatieteellinen tiedekuntafi
dc.contributor.laitosFaculty of Sport and Health Sciencesen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.relation.issn1469-0292
dc.relation.volume76
dc.type.versionpublishedVersion
dc.rights.copyright© 2024 The Author(s). Published by Elsevier Ltd.
dc.rights.accesslevelopenAccessfi
dc.subject.ysohenkinen hyvinvointi
dc.subject.ysonuoret
dc.subject.ysointerventiotutkimus
dc.subject.ysostressi
dc.subject.ysofyysinen aktiivisuus
dc.subject.ysostressinhallinta
dc.subject.ysokuntoliikunta
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p1946
jyx.subject.urihttp://www.yso.fi/onto/yso/p11617
jyx.subject.urihttp://www.yso.fi/onto/yso/p32625
jyx.subject.urihttp://www.yso.fi/onto/yso/p133
jyx.subject.urihttp://www.yso.fi/onto/yso/p23102
jyx.subject.urihttp://www.yso.fi/onto/yso/p14804
jyx.subject.urihttp://www.yso.fi/onto/yso/p3708
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1016/j.psychsport.2024.102754
jyx.fundinginformationThis project was supported by philanthropic funding administered by the Hunter Medical Research Institute (HMRI).
dc.type.okmA1


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