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Table 2 Unadjusted associations between Non-diet Soft Drink Intakes and Chronic Bronchitis in Adults aged 20–55 y in the NHANES 2003–2006

From: Intake of high fructose corn syrup sweetened soft drinks is associated with prevalent chronic bronchitis in U.S. Adults, ages 20–55 y

    95 %   Chronic  
  n Proportions Confidence   Bronchitis  
    Limits   % yes p-value
  2801      
aNon-diet soft drinks
≤1-3 times p/month   26.7 % 24.5- 29.0 % 04.9 % 0.041
1–4 times p/week   31.9 % 29.2- 34.8 % 04.6 %  
≥5 times or more p/week   41.3 % 37.9- 44.9 % 08.0 %  
  1. aIn 2003 – 2006 [the NHANES study period] high fructose corn syrup, a high excess free fructose sweetener, was the main sweetener in non-diet soda [23]