Effects of Different Gamification Delivery Strategies on Physical Activity in Young Adults: An RCT

Area of Science:

• Public Health
• Behavioral Science
• Digital Health

Background:

• Global rise in physical inactivity, especially among young adults.
• Gamification is a growing strategy to promote physical activity.
• Effectiveness of different gamified elements and delivery strategies requires further investigation.

Purpose of the Study:

• To evaluate the impact of distinct gamification delivery strategies on increasing physical activity in young adults.
• To compare sequential, cumulative, and explicit gamification against a tracking-only control.
• To identify optimal gamification approaches for promoting health behaviors.

Main Methods:

• 12-week parallel randomized controlled trial with 246 healthy university students (aged 18-35).
• Four groups: sequential gamification (SG), cumulative gamification (CG), explicit gamification (EG), and tracking-only control.
• Primary outcome: daily step count (DSC) measured via app-based self-reports; secondary outcomes: biometric measures.

Main Results:

• All intervention groups showed significant increases in DSC; CG demonstrated the largest gain (+2,326 steps).
• Increases in DSC were sustained post-intervention.
• Social interaction and explicit gamification showed notable effectiveness; EG had delayed but sustained effects.

Conclusions:

• Cumulative delivery of gamified elements is a highly effective strategy for increasing physical activity in young adults.
• This approach yields significant increases in daily step counts, potentially mitigating risks associated with physical inactivity.
• Gamification strategies, particularly cumulative delivery, should be incorporated into public health initiatives to address sedentary behaviors.