OBJECTIVE: The objective of this study was to test whether heart-rate feedback prompts increased physical activity (PA) in primary school students. METHODS: A controlled trial with 210 9-11 year olds from subsidized Hong Kong Government primary schools was completed in December 2006. Schools were randomly assigned to one of three groups: Control (CG); Educational program (EG); No-educational program (NEG). INTERVENTION: In a short-term school-based intervention, heart-rate feedback was given either in combination with an educational program (EG) or in isolation (NEG). Long-term retention was assessed in comparison to the control group after 6 months follow-up. MAIN OUTCOME MEASURES: Physical activity and changes in attraction to PA. RESULTS: In the short-term, heart-rate monitor feedback increased total daily PA by an average of 24% (p<0.001) and vigorous PA by 0.6% (p<0.05). No change was found for moderate PA. Increases occurred regardless of involvement in the educational program, and in the absence of any change in attitudes towards PA. No long-term retention was apparent. CONCLUSIONS: The findings from the study suggest that feedback from heart-rate monitors encourages low intensity PA, but when removed increases do not persist.
RCT Entities:
OBJECTIVE: The objective of this study was to test whether heart-rate feedback prompts increased physical activity (PA) in primary school students. METHODS: A controlled trial with 210 9-11 year olds from subsidized Hong Kong Government primary schools was completed in December 2006. Schools were randomly assigned to one of three groups: Control (CG); Educational program (EG); No-educational program (NEG). INTERVENTION: In a short-term school-based intervention, heart-rate feedback was given either in combination with an educational program (EG) or in isolation (NEG). Long-term retention was assessed in comparison to the control group after 6 months follow-up. MAIN OUTCOME MEASURES: Physical activity and changes in attraction to PA. RESULTS: In the short-term, heart-rate monitor feedback increased total daily PA by an average of 24% (p<0.001) and vigorous PA by 0.6% (p<0.05). No change was found for moderate PA. Increases occurred regardless of involvement in the educational program, and in the absence of any change in attitudes towards PA. No long-term retention was apparent. CONCLUSIONS: The findings from the study suggest that feedback from heart-rate monitors encourages low intensity PA, but when removed increases do not persist.
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