| ̱  긮˿ , 1 4õ   м ǰ   ȴ  ȿ  ߿,  ð ϴ ͵  ȿ ־   ͺ  ð ϴ  ǰ   ȿ  ִٴ   Դ.   (Time- vs Step-Based Physical Activity Metrics for Health, ǰ   ð vs    ü Ȱ ǥ) м ̱ȸ (JAMA Internal Medicine) ֱ ƴ. 
 
  ̱  긮˿(Brigham and Womens Hospital)     ð    ǥ ǰ   ȿ Ȯϱ    ǰ (Womens Health Study)   1 4õ   мߴ.  2011 4  62 ̻ ڿ  ⸦ ϰ ü Ȱ ϵ ûߴ. ڵ Ͽ  62  ߵ ݷ ü Ȱ , Ϸ翡  5,200 ȴ  巯.  9   Ⱓ    9% , 4% ȯ ɷȴ.  ,  8,000~8,500  ȴ   3,000  ȴ     ȯ   30~40%   巯.  Ե    Ϸ 75а  Լ  ȿ Ÿ.     ä  ,   ð ǥ  ص  ǰ ȿ   ִ١,  ȣϴ  ϸ ȴ١ ߴ. ,   Ű ̷ ȿ   ִ. 
 
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