Table 6 Lifestyle factors associated with Helicobacter pylori infection
Lifestyle factors | Hp positive | Hp negative | Â | Â | ||
|---|---|---|---|---|---|---|
| Â | n | (%)* | n | (%)* | Total | P |
Smoking cigarettes (n = 4605) |  |  |  |  |  |  |
  Never | 1662 | (80.8) | 370 | (19.2) | 2032 | 0.00 |
  Tried at past, currently non-smoker | 745 | (81.6) | 159 | (18.4) | 904 |  |
  Tried at past, currently occasional smoker | 245 | (82.4) | 47 | (17.6) | 292 |  |
  Regular smoker | 1190 | (85.9) | 187 | (14.1) | 1377 |  |
Drinking alcohol (n = 4593) |  |  |  |  |  |  |
  Regular consumer | 69 | (74.7) | 18 | (25.3) | 87 | 0.03 |
  Others | 3762 | (82.8) | 744 | (17.2) | 4506 |  |
Total | 3852 | (82.5) | 770 | (17.5) | 4622 | Â |