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Accelerometer-measured physical activity in Chinese adults.
Tricia M Peters1, Steven C Moore, Yong Bing Xiang
1National Cancer Institute, Bethesda, Maryland, USA.
American Journal of Preventive Medicine
|May 25, 2010
Summary
Older adults, obese individuals, and smokers in urban China have low physical activity levels. Public health interventions should target these groups to promote activity and reduce chronic disease risk.
Area of Science:
- Public Health
- Epidemiology
- Lifestyle Medicine
Background:
- Western lifestyle adoption in China is linked to decreased physical activity.
- Reduced physical activity is a precursor to increased chronic disease burden.
Purpose of the Study:
- Identify personal characteristics associated with physical activity and sedentary behavior in urban Chinese adults.
- Inform targeted public health interventions for physical activity promotion.
Main Methods:
- A sample of 576 urban Chinese adults aged 40-74 years.
- Actigraph accelerometers used to assess physical activity and sedentary behavior.
- Multiple logistic regression analyzed demographic, anthropometric, and lifestyle factors.
Main Results:
- Participants averaged 317 min/day physical activity and 509 min/day sedentary.
- Individuals aged ≥60 years were less active and more sedentary than those <50 years.
- Obese individuals and current cigarette smokers showed significantly lower physical activity levels.
Conclusions:
- Physical activity promotion programs should prioritize older adults, obese individuals, and smokers.
- These subgroups require targeted interventions due to low physical activity.
- Addressing these factors can mitigate future chronic disease increases.

