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Characteristics of Helicobacter pylori infection according to sex, education level, and region
| Subjects (n) | H. pylori positive (n) | H. pylori infection rate (%) | P value | |
| Sex | 0.002 | |||
| Male | 469 | 243 | 51.8a | |
| Female | 621 | 264 | 42.5 | |
| Education level | 0.024 | |||
| Illiterate | 209 | 112 | 53.5a | |
| Literate | 871 | 391 | 44.8 | |
| Region | 0.199 | |||
| Rural (Daxing and Huairou) | 665 | 299 | 44.9 | |
| Urban (Xuanwu) | 425 | 208 | 48.9 | |
| Total | 1090 |
P < 0.05. H. pylori: Helicobacter pylori.
