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Updated: Sep 18, 2025

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Does Knowledge About Physical Activity Translate into More Active Populations?

Roger O'Sullivan1,2, Aideen Sheehan1, Ruth D Neill1

  • 1Institute of Public Health, D08 NH90 Dublin, Ireland.

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|June 26, 2025
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Summary
This summary is machine-generated.

Public health initiatives face challenges in increasing adult physical activity. While knowledge of benefits is important, it does not automatically translate into action, highlighting the need for multifaceted strategies.

Keywords:
educationhealth behaviourknowledgephysical activity

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Area of Science:

  • Public Health
  • Health Promotion
  • Behavioral Science

Background:

  • Physical activity offers numerous health benefits, while inactivity poses risks to individuals and healthcare systems.
  • Enhanced knowledge regarding physical activity can motivate behavior change, reduce participation barriers, and inform public health policy.

Purpose of the Study:

  • To investigate adult knowledge of physical activity benefits, recommended guidelines, and risks of inactivity.
  • To explore sources of information on physical activity and the correlation between knowledge and actual activity levels.

Main Methods:

  • A cross-sectional survey conducted in Northern Ireland (n=2201) and Ireland (n=1279) in 2021.
  • Descriptive statistics and chi-square tests of independence were employed to analyze data.
  • Focus on adults aged 18 and above to assess knowledge-activity associations.

Main Results:

  • Only 40% of respondents were aware of the recommendation for at least 150 minutes of weekly physical activity.
  • A significant relationship (p < 0.001) was found between knowledge of physical activity recommendations and activity levels.
  • Women demonstrated greater knowledge of physical activity benefits but reported lower activity levels compared to men.

Conclusions:

  • Increasing physical activity in the adult population remains a significant public health challenge.
  • Knowledge acquisition alone is insufficient to drive increased physical activity; comprehensive strategies are required.
  • Addressing diverse barriers is crucial for effective physical activity promotion across the entire population.