Effects of Two Randomized and Controlled Multi-Component Interventions Focusing On 24-Hour Movement Behavior among...

Area of Science:

• Public Health
• Occupational Health
• Behavioral Science

Background:

• Intervention studies on movement behavior often overlook the compositional nature of time-use data.
• Compositional data analysis (CoDA) offers a potential strategy for analyzing complex time-use data.
• Understanding movement behavior is crucial for occupational and public health.

Purpose of the Study:

• To investigate the effects of two multi-component interventions on 24-hour movement behavior using CoDA.
• To assess the impact of interventions on cardiorespiratory fitness in office workers.
• To compare interventions focused on reducing sedentary behavior versus increasing physical activity.

Main Methods:

• Cluster randomized controlled trial with 263 office workers over 6 months.
• Interventions focused on reducing sedentary time or increasing physical activity.
• Movement behaviors (sedentary, light, moderate, vigorous activity, sleep) assessed via accelerometers and diaries; cardiorespiratory fitness via cycle ergometer test.

Main Results:

• No significant intervention effects were observed on 24-hour movement behaviors, either overall or separated by work/leisure time.
• Cardiorespiratory fitness did not show significant changes in response to the interventions.
• Despite using CoDA and established behavioral strategies, implementation and compliance issues may have limited intervention effectiveness.

Conclusions:

• Multi-component interventions targeting sedentary behavior and physical activity in office workers showed no significant effects on movement patterns or cardiorespiratory fitness.
• Challenges in intervention implementation and participant compliance were identified as potential reasons for the lack of observed benefits.
• Further research is needed to optimize intervention design and delivery for improving movement behaviors in occupational settings.