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Effectiveness of Gamification Interventions to Improve Physical Activity and Sedentary Behavior in Children and
Min Wang1, Jisheng Xu2, Xulin Zhou2
1School of Economics and Management, Chengdu Sport University, 1942 Huanhu North Road, Eastern New Area, Chengdu, 641418, China, 86 18980061501.
Background:
Physical activity (PA) is critically linked to the health outcomes of children and adolescents. Gamification interventions represent a promising approach to promote PA engagement. However, the effects of these interventions on both PA and sedentary behavior (SB) in this population remain controversial. This review seeks to clarify this controversy.
Objective:
This systematic review aimed to evaluate the effectiveness of gamification interventions in enhancing PA and reducing SB in children and adolescents, while identifying potential moderators for PA promotion.
Methods:
We systematically searched PubMed, Web of Science, Embase, EBSCO, and Cochrane Library databases for randomized controlled trials (RCTs) published between January 1, 2010, and August 1, 2024. Included RCTs examined gamification interventions targeting PA, SB, daily step counts, and BMI in children and adolescents. Random-effects meta-analyses were performed using RevMan 5.4 (Cochrane) and Stata 18.0 (StataCorp), with subgroup analyses assessing moderating effects of theoretical paradigms, game elements, and intervention duration. Methodological robustness was evaluated via the Egger regression test, sensitivity analyses (leave-one-out method), and funnel plot inspection for publication bias.
Results:
A total of 16 RCTs involving 7472 children and adolescents (age range 6-18 y) were included. Our findings showed that the gamification interventions significantly increased moderate-to-vigorous physical activity (MVPA; standardized mean difference [SMD] 0.15, 95% CI 0.01 to 0.29; P=.04) and reduced BMI (SMD 0.11, 95% CI 0.05 to 0.18; P<.001). However, there was no significant improvement in SB (SMD 0.07, 95% CI -0.07 to 0.22; P=.33), vigorous physical activity (SMD 0.12, 95% CI -0.3 to 0.55; P=.56), moderate physical activity (SMD 0.16, 95% CI -0.2 to 0.53; P=.38), light physical activity (SMD -0.00, 95% CI -0.49 to 0.48; P>.99), and daily step count (SMD 0.22, 95% CI -0.51 to 0.94; P=.55). Subgroup analyses revealed significant moderation effects for MVPA improvement by theoretical paradigm, game elements, intervention duration, and study setting.
Conclusions:
This meta-analysis confirms that gamification interventions effectively increased MVPA in children and adolescents, with sustained effects persisting beyond follow-up. The efficacy of these interventions is significantly moderated by theoretical paradigms, game elements, and intervention duration. However, blinding infeasibility contributed to prevalent performance bias, potentially introducing detection bias for subjective SB and PA metrics. Future research should strengthen blinding protocols for outcome assessors, enhance allocation concealment reporting, and validate conclusions through high-quality RCTs.
