In a new study from Pennington Biomedical Research Center, researchers found that physical inactivity responsible for up to 8% of non-communicable diseases and deaths across the world.
They found it is in high-income countries that physical inactivity has a greater relative impact on non-communicable disease and death.
Middle-income countries have the greatest number of people affected by physical inactivity and face the biggest strain on health resources.
Physical inactivity is a known risk factor for premature mortality and several non-communicable diseases, including coronary heart disease, stroke, high blood pressure, type 2 diabetes, and several cancers.
In the study, they examined the current burden of global non-communicable disease associated with physical inactivity.
They obtained estimates of the impact physical inactivity has on major health outcomes (relative risks) and data on physical inactivity levels for 168 countries in 2016.
Physical inactivity was defined as less than 150 minutes of moderate-intensity or 75 minutes of vigorous-intensity physical activity per week.
The team found that the proportions of non-communicable diseases attributable to physical inactivity range from 1.6% for high blood pressure to 8.1% for dementia.
The attributable risks increase with countries’ income levels and are more than two times higher in high-income countries than they are in low-income ones.
While the burden per average individual is greater in high-income countries, it is middle-income countries that are hit harder overall because of their greater population sizes, the results show.
This means 69% of all deaths and 74% of heart disease deaths associated with physical inactivity occur in middle-income countries.
The team says the global health burden linked to physical inactivity is substantial. It will require international collaboration to change the situation.
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The study is published in the British Journal of Sports Medicine.
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