Table 1.

Characteristics at baseline for women from the Shanghai Women's Health Study

Characteristics	Case (n=144)	Control (n=144)	p-value*
Age, years	59.0 ± 8.6	59.1 ± 8.4	0.64
Body mass index (kg/m2)	24.8 ± 3.4	24.7 ± 3.5	0.78
Education, High School or more	34 (23.6)	45 (31.3)	0.15
Family history of gastric cancer, yes	13 (9.0)	14 (9.7)	0.84
Smoking status, ever	9 (6.3)	8 (5.6)	0.80
Alcohol use, ever	3 (2.1)	2 (1.4)	0.65
NSAID/cold medication use, within past day	10 (6.9)	15 (10.4)	0.30
H.pylori positive†	128 (96.2)	126 (94.7)	0.55
Regular multiple vitamin use	9 (6.3)	9 (6.3)	0.99
Fruits/vegetables intake, g/d	490.6 ± 268.7	552.7 ± 297.0	0.05
Fruits, g/d	218.3 ± 159.4	252.9 ± 186.2	0.08
All vegetables, g/d	272.3 ± 162.9	299.9 ± 161.9	0.13
Meat intake, g/d	44.4 ± 33.9	47.3 ± 36.6	0.50

Continuous variables are displayed as means ± standard deviation and frequencies are displayed as counts (percentage)

^*P-values are calculated from paired t-test for continuous variables and Chi² test for categorical variables

^†Data on H. pylori status available only on n=270