Assessing the impact of obesity interventions in the early years: a systematic review of UK-based studies.

Autor:	Michalopoulou S; Great Ormond Street Institute of Child Health, University College London, London, UK., Sifaki M; Institute of Epidemiology and Health Care, University College London, London, UK., Packer J; Great Ormond Street Institute of Child Health, University College London, London, UK., Lanigan J; Great Ormond Street Institute of Child Health, University College London, London, UK., Stansfield C; Institute of Education, University College London, London, UK., Viner RM; Great Ormond Street Institute of Child Health, University College London, London, UK., Russell S; Great Ormond Street Institute of Child Health, University College London, London, UK s.russell@ucl.ac.uk.
Jazyk:	angličtina
Zdroj:	BMJ open [BMJ Open] 2024 May 13; Vol. 14 (5), pp. e076479. Date of Electronic Publication: 2024 May 13.
DOI:	10.1136/bmjopen-2023-076479
Abstrakt:	Objectives: Childhood obesity rates in the UK are high. The early years of childhood are critical for establishing healthy behaviours and offer interventional opportunities. We aimed to identify studies evaluating the impact of UK-based obesity interventions in early childhood. Design: Systematic review using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Data Sources: Nine databases were searched in March 2023. Eligibility Criteria: We included UK-based obesity intervention studies delivered to children aged 6 months to 5 years that had diet and/or physical activity components and reported anthropometric outcomes. The primary outcome of interest was z-score Body Mass Index (zBMI) change (within and between subjects). Studies evaluating the effects of breastfeeding interventions were not included as obesity prevention interventions, given that best-practice formula feeding is also likely to encourage healthy growth. The publication date for studies was limited to the previous 12 years (2011-23), as earlier reviews found few evaluations of interventions in the UK. Data Extraction and Synthesis: The reviewers worked independently using standardised approach to search, screen and code the included studies. Risk of bias was assessed using Cochrane tools (ROB 2 or ROBINS-I). Results: Six trials (five studies) were identified, including two randomised controlled trials (RCT), one cluster randomised trial (CRT), two feasibility CRTs and one impact assessment. The total number of participants was 566. Three trials focused on disadvantaged families and two included high-risk children categorised as having overweight or obesity. Compared with baseline, five interventions reported reductions in zBMI, three of which were statistically significant (p<0.05). Compared with control, five interventions showed zBMI reductions, one of which was significant. Only two trials were followed up beyond 12 months. All studies were found to have a high risk of bias. Meta-analysis was not possible due to the heterogeneity of studies. Conclusion: UK evidence was limited but some interventions showed promising results in promoting healthy growth. As part of a programme of policies, interventions in the early years may have an important role in reducing the risk of childhood obesity. Prospero Registration Number: CRD42021290676. Competing Interests: Competing interests: None declared. (© Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY. Published by BMJ.)
Databáze:	MEDLINE
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