Table 3: Univariate analysis of the risk
factors for IM.
Variable |
IM (+) (n = 332) |
IM (-) (n = 1825) |
P-value |
Age ≧ 60 yr |
99/332 (29.8%) |
328/1825 (18.0%) |
p < 0.001 |
BMI ≧ 28 |
21/332 (23.8%) |
102/1825 (21.5%) |
0.662 |
Gender, male |
194/332 (58.45) |
843/1825 (46.2%) |
p < 0.001 |
H. pylori
|
|
|
p < 0.001 |
(+) |
221/300 (73.7%) |
607/1271 (47.8%) |
|
(-) |
79/300 (26.3%) |
664/1271 (52.2%) |
|
Smoking |
131/332 (39.5%) |
381/1825 (20.9%) |
p < 0.001 |
Alcohol |
68/332 (20.5%) |
177/1825 (9.7%) |
p < 0.001 |
Family history of GC |
47/332 (14.2%) |
100/1825 (5.5%) |
p < 0.001 |
Bile reflux |
32/332 (9.6%) |
124/1825 (6.8%) |
0.083 |
Diarrhea |
47/332 (14.2%) |
226/1825 (12.4%) |
0.419 |
Constipation |
74/332 (22.3%) |
341/1825 (18.7%) |
0.130 |
Tea intake |
66/332 (19.9%) |
198/1825 (10.8%) |
p < 0.001 |
High salt diet |
115/332 (34.6%) |
386/1825 (21.2%) |
p < 0.001 |
Spicy food |
128/332 (38.6%) |
439/1825 (24.1%) |
p < 0.001 |
Vitamin C |
6/332 (1.8%) |
22/1825 (1.2%) |
0.547 |
Consumption of dairy products |
89/332 (26.8%) |
447/1825 (24.5%) |
0.479 |
Consumption of fruits |
114/332 (34.3%) |
626/1825 (34.3%) |
0.873 |
Consumption of vegetables |
258/332 (77.7%) |
1542/1825 (84.5%) |
0.008 |
NSAIDs use |
9/332 (2.7%) |
39/1825 (2.1%) |
0.542 |
Income level ≧ 3500 RMB |
153/332 (46.15%) |
758/1825 (41.5%) |
0.192 |
Education above college |
77/332 (23.2%) |
371/1825 (20.3%) |
0.514 |
Data
are presented as number (%).