Trial reportBMC public health2014
Post-intervention effects on screen behaviours and mediating effect of parental regulation: the HEalth In Adolescents study--a multi-component school-based randomized controlled trial.
Trial report in BMC public health, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 8 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
12 citing papers in PubMed, 8 syntheses or guidelines pooled it.
- Review Article: The effectiveness of school-based interventions for reducing screen time - a systematic review and meta-analysis.Child and adolescent mental health · 2025Pooled it
- The effectiveness of school-based interventions to reduce problematic digital technology use and screen time: A systematic review and meta-analysis.Journal of behavioral addictions · 2025Pooled it
- Interventions to prevent obesity in children aged 5 to 11 years old.The Cochrane database of systematic reviews · 2024Pooled it
- Pooled it
- School-based physical activity programs for promoting physical activity and fitness in children and adolescents aged 6 to 18.The Cochrane database of systematic reviews · 2021Pooled it
- A Sex/Gender Perspective on Interventions to Reduce Sedentary Behaviour in Girls and Boys: Results of the genEffects Systematic Review.International journal of environmental research and public health · 2020Pooled it
- The effectiveness and complexity of interventions targeting sedentary behaviour across the lifespan: a systematic review and meta-analysis.The international journal of behavioral nutrition and physical activity · 2020Pooled it
- Interventions for preventing obesity in children.The Cochrane database of systematic reviews · 2019Pooled it
- Mediators of change in screen-time in a school-based intervention for adolescent boys: findings from the ATLAS cluster randomized controlled trial.Journal of behavioral medicine · 2017Trial
- Variations in Children's screen time behaviors by weight status among a mostly disadvantaged population.PloS one · 2026Article
- Associations between media parenting practices and early adolescent screen use.Pediatric research · 2025Article
- Sedentary behavior among Spanish children and adolescents: findings from the ANIBES study.BMC public health · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundTo improve effectiveness of future screen behaviour interventions, one needs to know whether an intervention works via the proposed mediating mechanisms and whether the intervention is equally effective among subgroups. Parental regulation is identified as a consistent correlate of screen behaviours, but prospective evidence as well as the mediation role of parental regulation is largely lacking. This study investigated post-intervention main effects on screen behaviours in the HEIA-intervention--a Norwegian school-based multiple-behaviour study, as well as mediation effects of parental regulation by adolescents' and parents' report. In addition, moderating effects of gender and weight status on the intervention and mediating effects were explored.
methodsParticipating schools were randomized to control (n=25) or intervention (n=12) condition. Adolescents (n=908 Control; 510 Intervention) self-reported their weekday and weekend TV-viewing and computer/game-use. Change in adolescents' behaviours was targeted through school and parents. Adolescents, mothers (n=591 Control; 244 Interventions) and fathers (n=469 Control; 199 Intervention) reported parental regulation of the screen behaviours post-intervention (at 20 month). The product-of-coefficient test using linear regression analysis was conducted to examine main and mediating effects.
resultsThere was no intervention effect on the screen behaviours in the total sample. Gender moderated effect on weekend computer/game-use, while weight status moderated the effect on weekday TV-viewing and computer/game-use. Stratified analyses showed a small favourable intervention effect on weekday TV-viewing among the normal weight. Parental regulation did not mediate change in the screen behaviours. However, stronger parental regulation was associated with less TV-viewing and computer/game-use with effects being conditional on adolescents' versus parental reports. Parental regulation of the screen behaviours, primarily by the parental report, was associated with change in the respective behaviours.
conclusionMultiple behaviour intervention may not affect all equally well, and the effect may differ by weight status and gender. In future interventions parents should be encouraged to regulate their adolescents' TV-viewing and computer/game-use on both weekdays and weekends as parental regulation was identified as a determinant of these screen behaviours. However, future intervention studies may need to search for more effective intervention strategies targeting parental regulation.
trial registrationCurrent Controlled Trials ISRCTN98552879.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.