Table 2.
Current Helicobacter pylori infection rates assayed by 13C-urea breath test by basic characteristics of the investigated population in Linzhou, China.
|
H. pylori (–) n (%) |
H. pylori (+) n (%) |
Pa | |
|---|---|---|---|
| Age (year) | 0.380 | ||
| ≥55 | 537 (59.73) | 362 (40.27) | |
| <55 | 638 (57.79) | 466 (42.21) | |
| Sex | 0.073 | ||
| Female | 618 (56.85) | 469 (43.15) | |
| Male | 557 (60.81) | 359 (39.19) | |
| Education level | 0.213 | ||
| ≥Middle school | 756 (57.67) | 555 (42.33) | |
| < Middle school | 419 (60.55) | 273 (39.45) | |
| Smoker ≥1 cigarette/day lasting ≥1 year | 0.913 | ||
| Yes | 270 (58.44) | 192 (41.56) | |
| No | 905 (58.73) | 636 (41.27) | |
| Drinker ≥1 drink/day lasting ≥1 year | 0.906 | ||
| Yes | 61 (59.22) | 42 (40.78) | |
| No | 1,114 (58.63) | 786 (41.37) | |
| Pickled food ≥1 time/week | 0.796 | ||
| Yes | 58 (57.43) | 43 (42.57) | |
| No | 1,117 (58.73) | 785 (41.27) | |
| Hot or rough food ≥1 time/week | 0.825 | ||
| Yes | 306 (59.07) | 212 (40.93) | |
| No | 869 (58.52) | 616 (41.48) | |
| History of upper gastrointestinal disease | <0.001 | ||
| Yes | 191 (70.74) | 79 (29.26) | |
| No | 984 (56.78) | 749 (43.22) | |
| Family history of cancer | 0.631 | ||
| Yes | 552 (58.11) | 398 (41.89) | |
| No | 623 (59.16) | 430 (40.84) | |
| BMI (kg/m2) | 0.422 | ||
| <25.0b | 528 (57.27) | 394 (42.73) | |
| ≥25.0 and <30.0 | 534 (60.27) | 352 (39.73) | |
| ≥30.0 | 113 (57.95) | 82 (42.05) |
BMI, body mass index.
a
Chi-square test.
b
Including 20 subjects with BMI <18.5 kg/m2.