Table 4.
Adjusted odds ratios and 95% confidence intervals of the associations of H. pylori infection, and gastric and duodenal ulcers, with metabolic syndrome, by age groupsa.
| Overall | Age: 25–34 | Age: 35–44 | Age: 45–54 | Age: 55–64 | Age: 65–95 | P for heterogeneity by aged | |
|---|---|---|---|---|---|---|---|
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | ||
| H. pylori positiveb | 1.15 (1.10–1.19) | 1.20 (1.03–1.41) | 1.18 (1.09–1.27) | 1.12 (1.04–1.20) | 1.05 (0.98–1.14) | 1.04 (0.95–1.14) | 0.11 |
| Gastric ulcerc | 1.15 (1.03–1.28) | 0.81 (0.46–1.45) | 1.38 (1.08–1.77) | 1.09 (0.88–1.34) | 1.24 (1.03–1.51) | 1.05 (0.85–1.31) | 0.2 |
| Duodenal ulcerc | 1.04 (0.98–1.11) | 1.59 (1.19–2.13) | 1.12 (0.97–1.29) | 1.08 (0.96–1.22) | 0.95 (0.84–1.07) | 0.87 (0.76–0.99) | 0.001 |
CI: confidence intervals; OR: Odds ratio.
aEach model adjusted for age (in years as a continuous variable), country of birth and socioeconomic status of town of residence; bH. pylori positive vs negatives (by urea breath test); cyes vs no.
dDegrees of freedom = 4 for chi square heterogeneity test.