Table 4.

Monthly Allium Vegetable Intake and Stomach Cancer Risk in Shanghai

Vegetable	Cardia Cases	Controls	OR* & 95% CI	Distal Cases	Controls	OR* & 95% CI
Onion Leaves
Never	51 (39.8)	54 (42.2)	1.00	336 (54.0)	349 (56.1)	1.00
Low	38 (29.7)	35 (27.3)	1.08 (0.49–2.41)	187 (30.1)	157 (25.2)	1.28 (0.95–1.73)
High	39 (30.5)	39 (30.5)	0.97 (0.42–2.20)	99 (15.9)	116 (18.7)	0.92 (0.63–1.34)
P for trend			0.9235			0.9225
Scallions
Never	68 (54.4)	71 (55.5)	1.00	464 (74.6)	455 (73.2)	1.00
Low	19 (14.8)	26 (20.3)	0.52 (0.21–1.32)	99 (15.9)	89 (14.3)	1.00 (0.68–1.48)
High	41 (32.0)	31 (24.2)	1.32 (0.59–2.93)	59 (9.5)	78 (12.5)	0.60 (0.37–0.99)
P for trend			0.4489			0.0859
Garlic Stalks
Never	39 (30.5)	52 (40.6)	1.00	230 (37.0)	209 (33.6)	1.00
Low	39 (30.5)	41 (32.0)	1.13 (0.51–2.48)	226 (36.3)	208 (33.4)	0.94 (0.69–1.27)
High	50 (39.1)	35 (27.3)	2.00 (0.89–4.52)	166 (26.7)	205 (33.0)	0.72 (0.52–0.99)
P for trend			0.0874			0.0409
Garlic
Never	59 (46.1)	73 (57.0)	1.00	339 (54.5)	338 (54.3)	1.00
Low	37 (28.9)	29 (22.7)	1.66 (0.79–3.46)	173 (27.8)	154 (24.8)	1.06 (0.79–1.42)
High	32 (25.0)	26 (20.3)	1.71 (0.77–3.80)	110 (17.7)	130 (20.9)	0.85 (0.61–1.17)
P for trend			0.1486			0.3974
Onions
Never	45 (35.2)	47 (36.7)	1.00	217 (34.9)	219 (35.2)	1.00
Low	46 (35.9)	42 (32.8)	0.97 (0.38–2.47)	211 (33.9)	198 (31.8)	1.12 (0.75–1.67)
High	37 (28.9)	39 (30.5)	0.74 (0.25–2.18)	194 (31.2)	205 (33.0)	0.95 (0.61–1.49)
P for trend			0.5336			0.7123
Chinese Chives
Never	17 (13.3)	17 (13.3)	1.00	93 (15.0)	99 (15.9)	1.00
Low	48 (37.5)	45 (42.2)	0.51 (0.16–1.64)	276 (44.4)	263 (42.3)	1.13 (0.78–1.62)
High	63 (49.2)	57 (44.5)	0.76 (0.23–2.44)	253 (40.7)	260 (41.8)	1.02 (0.70–1.50)
P for trend			0.8579			0.9395

^*Adjusted for matching variables (age, gender), education, BMI, pack-years of smoking, alcohol drinking, salt intake, and vegetable and fruit intake