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Updated: Jan 10, 2026

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
Development of the Physical Activity Research Opportunities (PARO) framework
Laura E Balis1, Daniel P Hatfield2, Meher Din2
1Center for Nutrition & Health Impact, Omaha, USA. lbalis@centerfornutrition.org.
This study synthesized research opportunities to create a framework for advancing physical activity research. The Physical Activity Research Opportunities (PARO) framework highlights gaps and promotes health equity in physical activity initiatives.
Area of Science:
- Public Health
- Exercise Science
- Health Equity Research
Background:
- Most Americans do not meet physical activity guidelines.
- Gaps exist in physical activity research knowledge and implementation.
- Addressing health inequities is crucial in physical activity promotion.
Purpose of the Study:
- To identify, synthesize, and categorize research opportunities in physical activity.
- To develop a conceptual framework for advancing physical activity research.
- To integrate health equity considerations into physical activity research.
Main Methods:
- Qualitative document analysis of 11 sources from US government, intergovernmental, and non-profit organizations.
- Expert review and coding of 385 extracted research opportunities.
- Development of the Physical Activity Research Opportunities (PARO) framework based on translational phase and social ecological level.
Main Results:
- 87 condensed research opportunity statements were developed.
- Most opportunities focused on effectiveness (51%) and dissemination/implementation science (16%).
- Few opportunities (38%) addressed policy, systems, and environmental interventions, and many (76%) lacked health equity considerations.
Conclusions:
- The PARO framework identifies evidence gaps and strategic opportunities for physical activity stakeholders.
- Future research should prioritize efficacy, effectiveness, dissemination, and implementation, with a focus on community engagement.
- Advancing health equity requires tailored interventions, enhanced reach to priority populations, and addressing social determinants of health.
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