Table 3.
Sociodemographic characteristics of all the patients, according to H. pylori infection.
| Background | Infected Patients n = 104 (n (%)) | Non Infected Patients n = 125 (n (%)) | Odds Ratio (CI 95%) | p-Value |
|---|---|---|---|---|
| Age (years) | 51.16 ± 16.85 | 52.97 ± 15.91 | 0.98 (0.96–1.00) | 0.095 |
| Sex (male/female) | 34 (32.69%)/70 (67.30%) | 48 (38.04%)/77 (61.60%) | 0.71 (0.38–1.34) | 0.303 |
| Mapuche ethnicity | 32 (30.76%) | 24 (19.20%) | 2.30 (1.14–4.78) | 0.026* |
| Rural residence | 21 (20.19%) | 21 (16.80%) | 1.00 (0.43–2.33) | 0.982 |
| Education level ≤12 years | 59 (56.73%) | 68 (54.40%) | 0.70 (0.34–1.47) | 0.354 |
| National health insurance (FONASA) | 82 (78.84%) | 94 (75.20%) | 1.33 (0.55–3.17) | 0.519 |
| Family group ≥5 members | 11 (10.57%) | 17 (13.60%) | 0.52 (0.21–1.28) | 0.161 |
| Smoker | 26 (25.00%) | 28 (22.40%) | 1.18 (0.58–2.37) | 0.642 |
| Drinker | 50 (48.07%) | 48 (38.40%) | 1.26 (0.66–2.38) | 0.470 |
| Previous infection | 19 (18.26%) | 30 (24.00%) | 0.62 (0.23–1.69) | 0.360 |
| Previous treatment | 11 (10.57%) | 20 (16.00%) | 0.91 (0.27–3.08) | 0.887 |
| Relative with GC | 38 (36.53%) | 37 (29.60%) | 1.07 (0.57–2.01) | 0.811 |
GC: Gastric cancer. Age expressed as average ± SD (Range). Categorical variables expressed as counts and percentages. * Statistical significance (p < 0.005).