Table 2. Fluid intake and the risk of bladder cancer.

Fluid intake	Control/case	OR (95% CI)a	P
Total fluid intake (ml/day)
<1696	324/218	1
1696–2215	325/215	0.92 (0.71–1.18)	0.517
2215–2789	324/191	0.81 (0.62–1.05)	0.109
≥2789	325/382	1.41 (1.10–1.81)	0.007
P for trend			0.01
Water (serving/day)
<2	217/202	1
2–3.4	300/217	0.84 (0.64–1.11)	0.218
3.5–4.9	329/204	0.78 (0.60–1.03)	0.078
≥5	452/383	1.02 (0.80–1.31)	0.856
P for trend			0.565
All types of tea (serving/day)
Never	312/328	1
0.1–0.70	472/342	0.74 (0.59–0.92)	0.007
0.71+	515/337	0.65 (0.53–0.81)	<0.001
P for trend			<0.001
Decaffeinated tea (serving/day)
Never	1155/877	1
0.1–0.56	66/61	1.38 (0.95–2.00)	0.092
0.57+	78/69	1.35 (0.96–1.92)	0.088
P for trend			0.031
Black tea (serving/day)
Never	515/492	1
0.1–0.56	381/250	0.71 (0.57–0.88)	0.001
0.57+	403/265	0.67 (0.54–0.83)	<0.001
P for trend			<0.001
Green tea (serving/day)
Never	972/828	1
0.1–0.13	133/88	0.82 (0.61–1.11)	0.197
0.14+	194/91	0.60 (0.45–0.79)	<0.001
P for trend			<0.001
Other herbal tea (serving/day)
Never	1120/937	1
0.1–0.13	82/26	0.44 (0.27–0.69)	<0.001
0.14+	97/44	0.60 (0.41–0.88)	0.009
P for trend			<0.001
All types of soft drink (serving/day)
Never	286/187	1
0.1–0.70	506/393	1.26 (1.00–1.60)	0.055
0.71+	507/427	1.34 (1.05–1.70)	0.018
P for trend			0.025
Diet soft drink (serving/day)
Never	705/589	1
0.1–0.85	294/197	0.96 (0.77–1.19)	0.702
0.86+	300/221	1.06 (0.85–1.32)	0.62
P for trend			0.713
Regular soft drink (serving/day)
Never	758/505	1
0.1–0.34	270/232	1.28 (1.03–1.60)	0.025
0.35+	271/270	1.27 (1.02–1.58)	0.032
P for trend			0.014
All types of coffee (serving/day)
Never	259/155	1
0.1–1.9	375/271	1.13 (0.87–1.47)	0.372
2+	665/581	1.14 (0.90–1.46)	0.283
P for trend			0.336
Decaffeinated coffee (serving/day)
Never	1006/717	1
0.1–0.9	89/94	1.75 (1.28–2.41)	0.001
1+	203/196	1.37 (1.09–1.73)	0.007
P for trend			0.001
Regular coffee (serving/day)
Never	389/288	1
0.1–1.9	332/235	0.91 (0.72–1.15)	0.437
2+	577/484	0.92 (0.74–1.13)	0.401
P for trend			0.426
Total alcoholic beverage (serving/day)
Never	368/366	1
0.1–0.38	465/265	0.59 (0.48–0.74)	<0.001
0.39+	466/376	0.77 (0.62–0.95)	0.016
P for trend			0.021
Wine (serving/day)
Never	574/586	1
0.1–0.13	329/205	0.66 (0.53–0.82)	<0.001
0.14+	396/216	0.59 (0.48–0.73)	<0.001
P for trend			<0.001
Beer (serving/day)
Never	727/563	1
0.1–0.13	256/183	0.96 (0.76–1.21)	0.749
0.14+	316/261	0.99 (0.80–1.24)	0.961
P for trend			0.917
Liquor (serving/day)
Never	748/651	1
0.1–0.06	274/149	0.66 (0.52–0.83)	<0.001
0.07+	277/207	0.77 (0.61–0.96)	0.019
P for trend			0.003

Abbreviations: CI=confidence interval; OR=odds ratio.

^aAdjusting for age, sex, ethnicity, energy intake, and smoking.