Table 1. Characteristics of study participants.
| HP+ (n = 1,825) | HP- (n = 3,156) | |||||
|---|---|---|---|---|---|---|
| Variable | Value | N | % | n | % | P value |
| Sex | Male | 562 | 30.8 | 854 | 27.1 | 0.00506 |
| Female | 1,263 | 69.2 | 2,302 | 72.9 | ||
| Age | Median(1st-3rd quartile) | 58.6 (49.3, 64.7) | 50.3 (42.4, 60.5) | 3.47 x 10−60 | ||
| BMIa | Median(1st-3rd quartile) | 21.5 (19.7, 23.8) | 21.1 (19.4, 23.3) | 0.0000874 | ||
| Smokingb | Yes | 609 | 33.4 | 962 | 30.5 | 0.034 |
| No | 1,215 | 66.6 | 2,194 | 69.5 | ||
| Drinking | Yes | 1,009 | 55.3 | 1,795 | 56.9 | 0.273 |
| No | 816 | 44.7 | 1,360 | 43.1 | ||
HP, Helicobacter pylori; BMI, Body mass index; Yes, current or ever; No, never
aHP- (n = 3,155)
bHP+ (n = 1,824).