Research Article
Dentists Are at a Higher Risk for Oral Helicobacter pylori Infection
Table 2
Clinical parameters of study populations.
| | Dentists | Nondentist group | Statistical analysis |
| Age | | | a | Sex | | | b | Male | 30 (15.0%) | 47 (23.5%) | () | Female | 60 (20.0%) | 63 (31.5%) | Residence | | | b | Urban area | 83 (41.5%) | 91 (45.5%) | () | Rural area | 7 (3.5%) | 19 (9.5%) | Educational background | | c | Primary schools and below | 0 (0.0) | 15 (7.5%) | () | Junior middle school | 0 (0.0) | 13 (6.5%) | Senior school | 0 (0.0) | 7 (3.5%) | Junior college education | 1 (0.5%) | 15 (7.5%) | Regular college | 23 (11.5%) | 32 (32.5%) | Master | 55 (27.5%) | 22 (11%) | PhD and above | 11 (5.5%) | 5 (2.5%) | Unclear | 0 (0.0) | 1 (0.5%) | Years of working | | | c | 1-2 yrs | 49 (24.5%) | 49 (24.5%) | () | 3-5 yrs | 34 (17.0%) | 31 (15.5%) | 6-10 yrs | 6 (3.0%) | 11 (5.5%) | >11 yrs | 1 (0.5%) | 26 (13%) | Unclear | 0 (0.0) | 3 (1.5%) |
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a test; bchi-square test; cWilcoxon rank test. |