Table 4.

Odds ratios of bladder cancer for drinking of maté, coffee, tea, by smoking status

Category	Never smokers			Ever smokers
Maté drinking (liters/day × years)
Category	Cases/Controls	OR	95% CI	Cases/Controls	OR	95% CI
Never drinkers	10/30	1.0		8/41	1.0
1–47	12/48	0.95	0.32–2.86	54/108	2.51	1.06–5.95
48–69	16/38	1.35	0.46–3.95	61/109	2.97	1.25–7.03
70+	10/20	2.31	0.65–8.23	84/107	4.30	1.82–10.1
p-value for trend			0.2			<0.01
Coffee drinking (total coffee, cups/week)
Category	Cases/Controls	OR	95% CI	Cases/Controls	OR	95% CI
Never drinkers	26/91	1.0		109/241	1.0
1–6	17/36	2.22	0.97–5.12	67/97	1.33	0.88–2.00
7+	5/9	2.02	0.54–7.54	31/27	2.04	1.12–3.72
p-value for trend			0.08			0.01
Tea drinking (total tea, cups/week)
Category	Cases/Controls	OR	95% CI	Cases/Controls	OR	95% CI
Never drinkers	34/111	1.0		146/308	1.0
1–6	11/20	2.22	0.84–5.83	48/52	1.91	1.20–3.04
7+	3/5	1.52	0.27–8.59	13/5	5.90	1.97–17.6
p-value for trend			0.2			<0.01

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, soft drink intake, and milk intake, and, when appropriate, maté drinking, coffee drinking, and tea drinking

CI, confidence interval.