Trial reportInternational journal of environmental research and public health2012
The impact of an intervention taught by trained teachers on childhood overweight.
Trial report in International journal of environmental research and public health, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 8 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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
25 citing papers in PubMed, 8 syntheses or guidelines pooled it.
- Interventions to prevent obesity in children aged 2 to 4 years old.The Cochrane database of systematic reviews · 2025Pooled it
- Which school-based interventions work better to combat obesity in children? A network meta-analysis.Systematic reviews · 2025Pooled it
- Interventions to prevent obesity in children aged 5 to 11 years old.The Cochrane database of systematic reviews · 2024Pooled it
- A systematic review and meta-analysis of the overall effects of school-based obesity prevention interventions and effect differences by intervention components.The international journal of behavioral nutrition and physical activity · 2019Pooled it
- Interventions for preventing obesity in children.The Cochrane database of systematic reviews · 2019Pooled it
- Interventions for obesity among schoolchildren: A systematic review and meta-analyses.PloS one · 2019Pooled it
- Strategies for enhancing the implementation of school-based policies or practices targeting risk factors for chronic disease.The Cochrane database of systematic reviews · 2017Pooled it
- What childhood obesity prevention programmes work? A systematic review and meta-analysis.Obesity reviews : an official journal of the International Association for the Study of Obesity · 2015Pooled it
- Effectiveness of a health promotion program on overweight in vulnerable children from primary schools (BeE-school): A cluster-randomized controlled trial.International journal of obesity (2005) · 2025Trial
- Reducing the incidence of overweight and obesity by a healthy lifestyle intervention program for schoolchildren in Hanoi, Vietnam: a randomized controlled trial.BMC public health · 2024Trial
- Implementation of the HealthKick intervention in primary schools in low-income settings in the Western Cape Province, South Africa: a process evaluation.BMC public health · 2015Trial
- Article
- Article
- Interventions to prevent obesity in school-aged children 6-18 years: An update of a Cochrane systematic review and meta-analysis including studies from 2015-2021.EClinicalMedicine · 2022Article
- Preventing Childhood Obesity in Primary Schools: A Realist Review from UK Perspective.International journal of environmental research and public health · 2021Review
- Article
- The effect of teacher-delivered nutrition education programs on elementary-aged students: An updated systematic review and meta-analysis.Preventive medicine reports · 2020Article
- Comprehensive School Physical Activity Programming and Health Behavior Knowledge.Frontiers in public health · 2020Article
- Nutrition Education Practices of Health Teachers from Shanghai K-12 Schools: The Current Status, Barriers and Willingness to Teach.International journal of environmental research and public health · 2019Article
- Prevalence of Dyslipidemia in Students from Han, Uygur, and Kazakh Ethnic Groups in a Medical University in Xinjiang, China.Scientific reports · 2019Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The purpose of this study was to assess the effects of a six-months' nutrition program, delivered and taught by classroom teachers with in-service nutrition training, on the prevention of overweight and obesity among children in grades 1 to 4. In this randomized trial, four hundred and sixty four children from seven elementary schools were allocated to a nutrition educational program delivered by their own teachers. Intervened teachers had 12 sessions of three hours each with the researchers throughout six months, according to the topics nutrition and healthy eating, the importance of drinking water and healthy cooking activities. After each session, teachers were encouraged to develop activities in class focused on the learned topics. Sociodemographic, anthropometric, dietary, and physical activity assessments were performed at baseline and at the end of the intervention. In the intervention group the increase in Body Mass Index (BMI) z-score was significantly lower than in the control group (p = 0.009); fewer proportion of children became overweight in the intervened group compared with the control (5.6% vs. 18.4%; p = 0.037). Our study provides further support to decrease the overweight epidemic, involving classroom teachers in a training program and making them dedicated interventionists.
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Registered trials
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.