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Intervention to reduce recreational screen-time in adolescents: Outcomes and mediators from the ‘Switch-Off 4 Healthy Minds’ (S4HM) cluster randomized controlled trial

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العنوان: Intervention to reduce recreational screen-time in adolescents: Outcomes and mediators from the ‘Switch-Off 4 Healthy Minds’ (S4HM) cluster randomized controlled trial
المؤلفون: David R. Lubans, Emma R. Pollock, Mark J. Babic, Phillip J. Morgan, Narelle Eather, Geoff Skinner, Amanda L. Baker, Ronald C. Plotnikoff, Jordan J. Smith, Chris Lonsdale
المصدر: Preventive Medicine. 91:50-57
بيانات النشر: Elsevier BV, 2016.
سنة النشر: 2016
مصطلحات موضوعية: School, Mediation (statistics), medicine.medical_specialty, Time Factors, Adolescent, Epidemiology, Health Behavior, Child Welfare, 030209 endocrinology & metabolism, Health Promotion, law.invention, 03 medical and health sciences, Screen time, 0302 clinical medicine, Randomized controlled trial, law, Intervention (counseling), medicine, eHealth, Humans, 030212 general & internal medicine, Child, Exercise, Sedentary lifestyle, 2. Zero hunger, Physical activity, business.industry, Australia, Public Health, Environmental and Occupational Health, Mental health, 3. Good health, Screen, Physical therapy, Sedentary Behavior, business, Body mass index, Stress, Psychological
الوصف: The primary objective was to evaluate the impact of the 'Switch-off 4 Healthy Minds' (S4HM) intervention on recreational screen-time in adolescents.Cluster randomized controlled trial with study measures at baseline and 6-months (post-intervention). Eligible participants reported exceeding recreational screen-time recommendations (i.e.,2h/day). In total, 322 adolescents (mean age=14.4±0.6years) from eight secondary schools in New South Wales, Australia were recruited. The S4HM intervention was guided by Self-Determination Theory and included: an interactive seminar, eHealth messaging, a behavioral contract and parental newsletters. The primary outcome was recreational screen-time. Secondary outcomes included mental health (i.e., well-being, psychological distress, self-perceptions), objectively measured physical activity, and body mass index (BMI). Outcome analyses were conducted using linear mixed models and mediation was examined using a product-of-coefficients test.At post-intervention, significant reductions in screen-time were observed in both groups, with a greater reduction observed in the intervention group (-50min/day versus -29min, p0.05 for both). However, the adjusted difference in change between groups was not statistically significant (mean=-21.3min/day, p=0.255). There were no significant intervention effects for mental health outcomes, physical activity or BMI. Significant mediation effects for autonomous motivation were found.Participants in both the S4HM intervention and control groups significantly reduced their screen-time, with no group-by-time effects. Enhancing autonomous motivation might be a useful intervention target for trials aimed at reducing adolescents' recreational screen-time.ACTRN12614000163606.
تدمد: 0091-7435
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6e79f7e965497611c74683340f028934
https://doi.org/10.1016/j.ypmed.2016.07.014
حقوق: OPEN
رقم الأكسشن: edsair.doi.dedup.....6e79f7e965497611c74683340f028934
قاعدة البيانات: OpenAIRE
الوصف
تدمد:00917435