作者: Tara W. Strine , Lina S. Balluz , Earl S. Ford
DOI: 10.1080/02770900701554896
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摘要: The purpose of this study was to examine the associations between smoking, physical inactivity, obesity, and asthma severity among US adults. magnitude these very strong. For example, those who visited an emergency room in past year were 60% more likely than did not smoke; used inhaler ≥15 times month (versus use inhaler) 90% be physically inactive; had symptoms all time 30 days with no symptoms) 80% obese.