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Table 2 Odds ratios of bladder cancer for maté drinking

From: Non-alcoholic beverages and risk of bladder cancer in Uruguay

  Category Cases/Controls OR 95 % CI
Maté drinking Never drinkers 18/71 1.0  
  Former drinkers 13/17 3.1 1.2–8.1
  Current drinkers 224/413 2.2 1.2–3.9
  Ever drinkers 237/430 2.2 1.2–3.9
Amount of drinking Never drinkers 18/71 1.0  
(liters/day) 0.1–0.9 31/89 1.3 0.6–2.7
  1.0–1.9 125/248 2.1 1.2–3.9
  2.0+ 81/93 3.7 1.9–7.1
  p-value for trend   <0.01  
Duration of drinking Never drinkers 18/71 1.0  
(years) 1–49 84/180 1.7 0.9–3.3
  50–59 85/155 2.4 1.3–4.5
  60+ 68/95 3.0 1.5–6.0
  p-value for trend   <0.01  
Cumulative consumption Never drinkers 18/71 1.0  
(liters/day × years) 1–47 66/156 1.7 0.9–3.3
  48–69 77/149 2.1 1.1–3.9
  70+ 94/127 3.2 1.7–6.0
  p-value for trend   <0.01  
Temperature Never drinkers 18/71 1.0  
  Warm 11/20 2.1 0.8–5.4
  Hot 191/383 2.1 1.2–3.7
  Very hot 35/27 4.9 2.2–11
  1. OR, odds ratio adjusted for age, sex, residence, urban/rural status, education, family history of bladder cancer among first-degree relatives, body mass index, occupation, smoking status, years since quitting, number of cigarettes smoked per day, coffee drinking, tea drinking, soft drink intake, and milk intake
  2. CI, confidence interval.