Clinical Study
Risk Factors and Prevalence of Helicobacter pylori Infection in Persistent High Incidence Area of Gastric Carcinoma in Yangzhong City
Table 2
Relationships between prevalence of H. pylori infection and dietary-related factors.
| Factors | No. of subjects in Hp positive group | No. of subjects in Hp negative group | Total no. of subjects | Prevalence of Hp | OR (95% CI) | P value |
| Frequency of eating vegetables | | | | | | | <Every other day | 22 | 12 | 34 | 64.71% | 1.00 | 1.000 | Every other day-once a day | 3114 | 1814 | 4928 | 63.19% | 0.94 (0.46–1.89) | 0.853 | >Once a day | 299 | 156 | 455 | 65.71% | 1.05 (0.51–2.19) | 0.844 | Frequency of eating fruits | | | | | | | 0 | 23 | 10 | 33 | 69.70% | 1.00 | 1.000 | <Every other day | 3199 | 1851 | 5050 | 63.35% | 0.64 (0.30–1.39) | 0.261 | Every other day-once a day | 213 | 121 | 334 | 63.77% | 0.72 (0.33–1.61) | 0.427 | Frequency of eating milk, egg, and meat | | | | | | | 0 | 2 | 0 | 2 | 100.00% | 1.00 | 1.000 | <Every other day | 3211 | 1863 | 5074 | 63.28% | 1.38 (1.01–1.88) | 0.039 | Every other day-once a day | 113 | 58 | 171 | 66.08% | 1.35 (0.88–2.09) | 0.172 | >Once a day | 109 | 61 | 170 | 64.12% | 1.00 | | Frequency of eating beans | | | | | | | 0 | 8 | 3 | 11 | 72.73% | 1.00 | 1.000 | <Every other day | 3229 | 1874 | 5103 | 63.28% | 1.00 (0.29–3.43) | 0.997 | Every other day-once a day | 198 | 105 | 303 | 65.35% | 0.81 (0.23–2.84) | 0.746 | Frequency of eating onion and garlic | | | | | | | 0 | 11 | 6 | 17 | 64.71% | 1.00 | 1.000 | <Every other day | 3271 | 1880 | 5151 | 63.50% | 1.21 (0.46–3.19) | 0.695 | Every other day-once a day | 146 | 92 | 238 | 61.34% | 1.24 (0.45–3.37) | 0.677 | >Once a day | 7 | 4 | 11 | 63.64% | 0.84 (0.18–3.88) | 0.823 | Frequency of eating pickled foods | | | | | | | 0 | 2175 | 1311 | 3486 | 62.39% | 1.00 | 1.000 | <Every other day | 448 | 223 | 671 | 66.77% | 0.87 (0.73–1.03) | 0.103 | Every other day-once a day | 810 | 447 | 1257 | 64.44% | 0.97 (0.85–1.11) | 0.683 | >Once a day | 2 | 1 | 3 | 66.67% | 1.12 (0.10–12.44) | 0.923 | Frequency of eating fried foods | | | | | | | 0 | 3138 | 1826 | 4964 | 63.22% | 1.00 | 1.000 | <Every other day | 294 | 155 | 449 | 65.48% | 1.14 (0.93–1.40) | 0.211 | Every other day-once a day | 3 | 1 | 4 | 75.00% | 0.58 (0.08–4.14) | 0.59 | Frequency of eating hot foods | | | | | | | 0 | 3242 | 1856 | 5098 | 63.59% | 1.00 | 1.000 | <Every other day | 191 | 125 | 316 | 60.44% | 0.90 (0.71–1.14) | 0.375 | Every other day-once a day | 2 | 1 | 3 | 66.67% | 1.15 (0.10–12.66) | 0.911 |
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