Table 2.

ORs and 95% CIs for associations between coffee and tea consumption and BE

		Controls (n=1728) N	BE (n=310) N	Crude OR (95% CI)	Adjusted ORa (95% CI)
Non-coffee drinker		510	71	Referent	Referent
Ever coffee drinkers		1218	239	1.41 (1.06-1.87)	1.04 (0.76-1.42)
Caffeinated (drinks/day)
	0-<1	88	14	1.14 (0.62-2.12)	1.19 (0.62-2.28)
	1-<2	280	33	0.85 (0.55-1.31)	0.73 (0.46-1.17)
	2-<3	327	66	1.45 (1.01-2.08)	1.07 (0.72-1.59)
	3-<4	219	54	1.77 (1.20-2.61)	1.11 (0.72-1.70)
	≥4	130	38	2.10 (1.35-3.26)	1.22 (0.76-1.98)
	P-trend in coffee drinkers			0.002	0.30
Decaffeinated (drinks/day)
	0-<1	27	3	0.80 (0.24-2.70)	0.74 (0.21-2.65)
	≥1	85	16	1.35 (0.75-2.44)	1.20 (0.63-2.30)
Coffee strength
	Weak	53	8	1.08 (0.50-2.37)	0.77 (0.34-1.75)
	Medium	771	146	1.36 (1.00-1.85)	1.01 (0.72-1.41)
	Strong	324	76	1.69 (1.19-2.40)	1.18 (0.80-1.73)
Coffee temperature
	Cold	6	2	2.39 (0.47-12.1)	1.63 (0.30-9.01)
	Warm	156	26	1.20 (0.74-1.94)	0.90 (0.54-1.50)
	Hot or extremely hot	1028	210	1.47 (1.10-1.96)	1.08 (0.79-1.49)
Non-tea drinker		850	130	Referent	Referent
Ever tea drinkers		878	180	1.34 (1.05-1.71)	1.11 (0.85-1.44)
Caffeinated tea (drinks/day)
	0-<1	356	80	1.47 (1.08-1.99)	1.25 (0.90-1.73)
	1-<2	189	44	1.52 (1.05-2.22)	1.18 (0.79-1.76)
	≥2	149	28	1.23 (0.79-1.92)	0.88 (0.55-1.40)
	P-trend in tea drinkers			0.45	0.14
Decaffeinated tea
	Ever	30	5	1.09 (0.42-2.86)	0.66 (0.23-1.87)
Green tea
	Ever	85	13	1.00 (0.54-1.84)	1.10 (0.57-2.11)
Tea temperature
	Cold	724	160	1.45 (1.12-1.86)	1.13 (0.86-1.48)
	Warm	24	1	0.27 (0.04-2.03)	0.45 (0.06-3.53)
	Hot or extremely hot	116	18	1.02 (0.60-1.72)	1.09 (0.62-1.91)

^aAdjusted for age, sex, race, WHR, GERD symptoms, smoking, alcohol use, H pylori infection, use of aspirin/NSAIDs, PPIs/H2RAs, and recruitment source.