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.

De Stefani et al. BMC Cancer 2007 7:57   doi:10.1186/1471-2407-7-57

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