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Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity
Published on: March 7, 2019
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Sociodemographic Factors, Leisure-Time Physical Activity and Mortality
Wenyao Peng1, Xueke Bai1, Chaoqun Wu1
1National Clinical Research Center for Cardiovascular Diseases, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
American Journal of Preventive Medicine
|November 16, 2023
Summary
Regular physical activity (LTPA) reduces mortality risk, but benefits are smaller for younger, male, Hispanic, or low SES individuals. Targeted interventions are needed to reduce health inequalities.
Area of Science:
- Public Health
- Epidemiology
- Sociology
Background:
- Sociodemographic factors can influence health outcomes and modify the effectiveness of lifestyle interventions.
- Understanding these modifications is crucial for developing targeted public health strategies and reducing health disparities.
Purpose of the Study:
- To investigate how sociodemographic factors (age, sex, race/ethnicity, socioeconomic status) modify the association between leisure-time physical activity (LTPA) and mortality.
- To provide evidence for targeted recommendations and reduction of health inequalities.
Main Methods:
- Analysis of data from 471,992 participants in the National Health Interview Survey (NHIS) and 41,830 in the National Health and Nutrition Examination Survey (NHANES).
- Mortality data linked to the National Death Index up to December 31, 2019.
- Sufficient LTPA defined as ≥150 minutes/week of moderate and/or vigorous intensity activity.
Main Results:
- Sufficient LTPA was associated with lower all-cause and cardiovascular mortality in both NHIS and NHANES cohorts.
- Significant interactions were observed between LTPA and all sociodemographic factors studied.
- The mortality benefits of LTPA were less pronounced in younger individuals, males, Hispanic adults, and those with lower socioeconomic status.
Conclusions:
- Sociodemographic factors significantly modify the relationship between LTPA and mortality.
- Health benefits of physical activity are not uniform across all population subgroups.
- Findings highlight the need for tailored physical activity promotion strategies to address health inequalities.
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