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The effect of active video games by ethnicity, sex and fitness: Subgroup analysis from a randomised controlled trial
Authors
Louise Foley
Yannan Jiang
+5 more
Andrew Jull
Ralph Maddison
Cliona Ni Mhurchu
Harry Prapavessis
Anthony Rodgers
Publication date
3 April 2014
Publisher
Scholarship@Western
Abstract
Background: The prevention and treatment of childhood obesity is a key public health challenge. However, certain groups within populations have markedly different risk profiles for obesity and related health behaviours. Well-designed subgroup analysis can identify potential differential effects of obesity interventions, which may be important for reducing health inequalities. The study aim was to evaluate the consistency of the effects of active video games across important subgroups in a randomised controlled trial (RCT).Findings: A two-arm, parallel RCT was conducted in overweight or obese children (n = 322; aged 10-14 years) to determine the effect of active video games on body composition. Statistically significant overall treatment effects favouring the intervention group were found for body mass index, body mass index z-score and percentage body fat at 24 weeks. For these outcomes, pre-specified subgroup analyses were conducted among important baseline demographic (ethnicity, sex) and prognostic (cardiovascular fitness) groups. No statistically significant interaction effects were found between the treatment and subgroup terms in the main regression model (p = 0.36 to 0.93), indicating a consistent treatment effect across these groups.Conclusions: Preliminary evidence suggests an active video games intervention had a consistent positive effect on body composition among important subgroups. This may support the use of these games as a pragmatic public health intervention to displace sedentary behaviour with physical activity in young people. © 2014 Foley et al.; licensee BioMed Central Ltd
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oai:ir.lib.uwo.ca:paedpub-3614
Last time updated on 08/10/2022