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Lookup NU author(s): Professor Falko Sniehotta
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© The Author(s) 2025. Published by Oxford University Press on behalf of the Society of Behavioral Medicine.Background: Low levels of physical activity (PA), more prevalent among those with low education, require effective interventions. Fewer trials have tested interventions to decrease sedentary behavior (SB). No school-based interventions have shown lasting effects on PA or SB in vocational schools. Purpose: To examine whether the Let’s Move It intervention has effects on behavioral and clinical outcomes among vocational students after 2 and 14 months. Methods: A cluster randomized trial in 6 school units in vocational education in Finland (N = 1112) (mean age 18.5 years, range 15–46). The multi-component intervention targeted in-class activity opportunities (eg, teacher-led activity breaks, equipment in classrooms), and students’ motivation and self-regulation (eg, 6 group sessions, à 45–60 min, during the intensive intervention period of 2 months). Valid (≥ 4 days, ≥ 10 h/ day) accelerometer data were obtained from 741 students at baseline, 521 (70.3%) at 2 months, and 406 (54.8%) at 14 months. Results: No evidence of a significant intervention effect on the co-primary outcomes (moderate-to-vigorous PA, SB, breaks in SB) was found. Participants in the intervention arm reduced their total daily SB time by 32 min (95% CI, −43.2 to −20.8) on weekdays, compared with the control arm’s reduction of 8.6 (95% CI, −19.5 to 2.3) and engaged in more accelerometer-measured light PA during school time. Few differences were found in secondary outcomes. The fidelity of intervention delivery was relatively good. Conclusions: This school-based intervention did not affect leisure-time activity. Despite a positive outcome on school-time light PA, more comprehensive or intensive environmental changes may be needed to meaningfully improve vocational students’ total activity
Author(s): Hankonen N, Haukkala A, Palsola M, Heino MTJ, Sund R, Tokola K, Absetz P, Araujo-Soares V, Sniehotta FF, Borodulin K, Uutela A, Lintunen T, Vasankari T
Publication type: Article
Publication status: Published
Journal: Annals of Behavioral Medicine
Year: 2025
Volume: 59
Issue: 1
Online publication date: 27/05/2025
Acceptance date: 02/04/2018
ISSN (print): 0883-6612
ISSN (electronic): 1532-4796
Publisher: Oxford University Press
URL: https://doi.org/10.1093/abm/kaaf023
DOI: 10.1093/abm/kaaf023
PubMed id: 40423552
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