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    Risk factors associated with Helicobacter pylori infection: A population-based study conducted in the province of Ourense Factores de riesgo asociados a la infecci贸n por Helicobacter pylori: Un estudio de base poblacional en la provincia de Ourense

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    Objectives: to identify the relationship between Helicobacter pylori infection and various factors that have been described in other studies in the general adult population in the province of Ourense. Material and methods: three hundred and eighty-three participants were enrolled in a study on the prevalence of Helicobacter pylori infection. All participants filled in a questionnaire under supervision, and the data obtained were examined by means of a univariate analysis. The odds ratio corresponding to each variable studied was calculated with their corresponding 95% confidence intervals. Furthermore, a multivariate analysis was performed. Results: the univariate analysis revealed an association between infection and: age, place of residence during childhood, current social status based on the head of the family's profession, current blue collar/white collar profession of the head of the family, sharing a bedroom during childhood, type of drinking water, and contact with animals during childhood. No association was found with respect to the presence of dyspeptic symptoms. The multivariate analysis disclosed that only age is an independent risk factor associated with infection. Conclusion: age has been identified as the only independent risk factor associated with Helicobacter pylori infection in this population-based study. The univariate analysis has detected other factors. No association has been identified with respect to dyspeptic symptoms.Objetivos: identificar en la poblaci贸n general adulta de la provincia de Ourense, la relaci贸n entre la infecci贸n por Helicobacter pylori y diversos factores que se han descrito en otros estudios. Material y m茅todos: se han incluido los 383 participantes en un estudio de prevalencia de la infecci贸n por Helicobacter pylori. Todos han completado un cuestionario bajo supervisi贸n y los datos se han examinado mediante an谩lisis univariante. Se han calculado las odds ratio correspondientes a cada variable estudiada, con sus intervalos de confianza al 95%. Adem谩s, se ha efectuado un an谩lisis multivariante. Resultados: el an谩lisis univariante demuestra asociaci贸n de la infecci贸n con: edad, lugar de residencia en la infancia, clase social actual por la profesi贸n del cabeza de familia, profesi贸n no manual/manual del cabeza de familia actual, compartir dormitorio en la infancia, tipo de agua de consumo y el contacto con animales en la infancia. No se ha encontrado asociaci贸n con la presencia de s铆ntomas disp茅pticos. El an谩lisis multivariante ha mostrado que solamente la edad es un factor de riesgo independiente asociado a la infecci贸n. Conclusi贸n: en este estudio de base poblacional la edad es el 煤nico factor de riesgo independiente que se ha identificado asociado a la infecci贸n por Helicobacter pylori. En el an谩lisis univariante se han identificado otros factores. No se demuestra asociaci贸n con s铆ntomas disp茅pticos
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