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Revista Ciencia, Tecnología e Innovación
versão impressa ISSN 2225-8787
Resumo
SALINAS OVANDO, Daniel. Prevalence of Hepatitis B and risk factors in its transmission, Huacareta municipality april to november 2009. Rev. Cien. Tec. In. [online]. 2020, vol.18, n.22, pp.95-122. ISSN 2225-8787.
The present study aims to establish the prevalence and risk factors for hepatitis B infection in the municipality of Huacareta. We worked on the study design with a cross-sectional research of prevalence; including all individuals subject to screening carried out by the Chuquisaca Departmental Health Service in 2009, making a total of 2013 people. To determine the risk factors associated with hepatitis B infection, the multivariate logistic regression test was performed, in order to study the simultaneous relationship between risk factors and the dependent variable; the independent variables were grouped into two components, sociodemographic and personal risk history. The level of statistical significance was established at p <0.05. The results of the investigation showed that 4.9 % of the people were positive for the surface antigen of hepatitis B, with respect to the positivity of the anti-nuclear antibody marker, it is detected that it represents 42.7 %. As a result of the Odds Ratio adjusted by the logistic regression model, three risk factors were established: being from the rural area (OR = 2,179; CI = 1,716-2,768), being a farmer (OR = 2,758; CI = 1,888- 4.028) and having more than one sexual partner (OR = 1.839; CI = 1.078-3.138), having as protective: being under ten years old (OR = 0.190; CI = 0.131-0.276) and being single (OR = 0.194; CI = 0.151-0.249). As a conclusion, a moderate positivity proportion for the surface antigen was evidenced in the municipality of Huacareta, placing it as an intermediate endemic region. The research has also made possible to identify five variables included in the logistic regression model that try to explain the infection with hepatitis B through the positivity of one of the two markers used in the study; three of the five variables were considered risk factors, and two as protection factors.
Palavras-chave : Hepatitis B Prevalence; Logistic Regression; Indigenous.