| | Hp positive | Hp negative | | |
|---|
| n | (%) | n | (%) | Total | P |
|---|
| Sex |
| Male | 1259 | 52.6 | 1133 | 47.4 | 2392 | 0.5974 |
| Female | 1247 | 51.9 | 1157 | 48.1 | 2404 | |
| Marriage status |
| Married | 2190 | 52.9 | 1950 | 47.1 | 4140 | 0.0243 |
| Single | 316 | 48.2 | 340 | 51.8 | 656 | |
| Education level |
| Primary school | 162 | 54.2 | 134 | 45.8 | 296 | 0.0128 |
| Middle/high school | 871 | 55.3 | 704 | 44.7 | 1575 | |
| University/above | 1292 | 50.4 | 1272 | 49.6 | 2564 | |
| No data | 181 | 50.1 | 180 | 49.9 | 361 | |
| Source of drinking water |
| Piped water | 1135 | 53.9 | 972 | 46.1 | 2107 | 0.0433 |
| Barreled water | 1368 | 50.9 | 1318 | 49.1 | 2686 | |
| Frequency of eating garlic |
| Never/seldom | 1974 | 51.5 | 1861 | 48.5 | 3835 | 0.0310 |
| Often/everyday | 532 | 55.4 | 429 | 44.6 | 961 | |
| Alcohol drinking |
| Yes | 832 | 54.7 | 689 | 45.3 | 1521 | 0.0207 |
| No | 1674 | 51.1 | 1601 | 48.9 | 3275 | |
| Cigarette smoking |
| Yes | 565 | 53.6 | 490 | 46.4 | 1055 | 0.3375 |
| No | 1941 | 51.9 | 1800 | 48.1 | 3741 | |
| Route of transmission |
| Unclear | 2351 | 52.7 | 2106 | 47.3 | 4457 | 0.0125 |
| Clear | 154 | 45.7 | 183 | 54.3 | 337 | |
| H. pylori-related diseases |
| Unclear | 2362 | 52.7 | 2122 | 47.3 | 4484 | 0.0257 |
| Clear | 144 | 46.2 | 168 | 53.8 | 312 | |
