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Microbes Infect ; 24(5): 104974, 2022.
Article in English | MEDLINE | ID: mdl-35618156

ABSTRACT

BACKGROUND: The rates and routes of Helicobacter pylori transmission, in a high-prevalent country like Iran, with gastric cancer as the leading cause of male cancer mortality, are of great essence. Here, we have studied the H. pylori-associated risk factors and the likelihood of interspousal transmission. METHODS: In a cohort of 686 young prewed couples, questionnaires were self-administered and serum samples were collected, for assessment of risk factors and H. pylori serostatus, at baseline and follow-up. Of the 475 H. pylori single- or double-seronegative couples, 201 returned for follow-up. The average follow-up duration was 2.2 (SD 0.6) years, with a total of 560.1 person-years. Logistic regression and Cox regression models were used to estimate the odds ratios (ORs) and hazard ratios (HRs). RESULTS: The risk of infection was higher in men than women (OR: 1.3, 95% CI: 1.0-1.8) and among metropolitan than rural residents (OR = 1.4, 95% CI: 1.1-1.9). It was also significantly higher among those with three (OR = 1.6, 95% CI: 1.1-2.2), and four or more siblings (OR = 1.4, 95% CI: 1.0-1.9), in reference to those with one or no siblings. Adult H. pylori acquisition occurred in 10.9% (27/247) of the seronegative participants. The risk of the acquisition was significantly associated with age (P value for trend=0,000). It was also significantly lower among participants who had various degrees of education as compared to illiterate subjects (HR = 0.2, 95% CI: 0.1-0.9). Nevertheless, our analysis did not find any evidence for interspousal transmission (HR = 1.0, 95% CI: 0.4-2.2). CONCLUSION: Whilst H. pylori acquisition was detected in the young adult Iranian population, our findings did not support interspousal transmission, as a mode of acquisition.


Subject(s)
Helicobacter Infections , Helicobacter pylori , Cohort Studies , Female , Helicobacter Infections/complications , Helicobacter Infections/epidemiology , Humans , Iran/epidemiology , Male , Prospective Studies , Risk Factors , Young Adult
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