- Title
- Which behaviour change techniques within interventions to prevent weight gain and/or initiate weight loss improve adiposity outcomes in young adults? A systematic review and meta-analysis of randomized controlled trials
- Creator
- Ashton, Lee M.; Sharkey, Thomas; Whatnall, Megan C.; Haslam, Rebecca L.; Bezzina, Aaron; Aguiar, Elroy J.; Collins, Clare E.; Hutchesson, Melinda J.
- Relation
- Obesity Reviews Vol. 21, Issue 6, no. e13009
- Publisher Link
- http://dx.doi.org/10.1111/obr.13009
- Publisher
- Wiley-Blackwell
- Resource Type
- journal article
- Date
- 2020
- Description
- Young adulthood is associated with the highest rate of weight gain compared with any other adult age group. This review evaluates the effectiveness of interventions with adiposity outcomes among young adults and identifies which behaviour change techniques (BCTs) are most effective. BCT utilization was assessed using Michie's 93-item BCT Taxonomy v1. Six electronic databases were searched for randomized controlled trials assessing change in adiposity in young adults (17-35 years) until December 2019; identifying 21,582 articles. Fifty-one studies were included. Meta-analyses for weight (n=19 studies), body mass index (BMI) (n=20 studies), and waist circumference (n=10 studies) demonstrated no significant between-group differences at ≤3 or >3 months. There were no differences between interventions focusing on weight loss or weight-gain prevention. Narrative synthesis showed significant between-group differences in weight change, favouring the intervention in 14/43 (33%) studies. In studies assessing BMI and waist circumference, this was 31% (11/36) and 25% (4/16). Two BCTs had a percentage effectiveness ratio >50% in weight loss interventions; social support (unspecified) and self-monitoring behaviour, and one in weight-gain prevention interventions; and goal-setting (outcome). Findings demonstrate initial potential for these types of BCTs and can help build cumulative evidence towards delivering effective, cost-efficient, and replicable interventions.
- Subject
- behaviour change; obesity; young adults; weight loss
- Identifier
- http://hdl.handle.net/1959.13/1451244
- Identifier
- uon:44133
- Identifier
- ISSN:1467-7881
- Language
- eng
- Reviewed
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