Table 2.

Odds ratios of bladder cancer for maté drinking

	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

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

CI, confidence interval.