[Diffusion of hepatitis B among residents of an institution for handicapped children]. 1995

A Arnedo Pena, and M D Latorre Ibáñez, and J M Cortés Edo, and M R Pac Sa, and J Querol Sanjuán, and F González Morán, and L Safont Adsuara, and R Hernández Martín
Sección de Epidemiología, Centro de Salud Pública, Castellón.

BACKGROUND To estimate the prevalence of serologic markers of hepatitis B (SMHB) among residents of an institution for social or mental handicapped children in Castellón, and its association with risk factors. METHODS A cross-sectional study with determination of SMHB by radioimmunoassay. 98 of the 100 residents participate in the study. RESULTS Prevalence of SMHB was 24.5% (95% confidence interval: 16.4%-34.1%). Seven residents were hepatitis B surface antigen positive with three hepatitis B e antigen positive. SMHB prevalence was 0 in infants, 18.8% in toddlers, 24.5% in schoolchildren, 11.1% in special education, and 76.9% in permanent residents. Logistic regression analysis found associations of SMHB prevalence with age (Odds ratio [OR] = 5.8, 95% CI: 1.1-29.0), old age at admission with protective character (OR = 0.6, 95% CI: 0.4-0.8), and duration of stay (OR = 1.2 95% CI: 1.0-1.3), adjusting by sex, mental deficiency, and hepatitis B (HB) determinants like surgery, blood transfusion, odontology, bites, and injections. CONCLUSIONS A predominant transmission of HB in young ages is suggested. Vaccination against HB, hygienic measures, and periodic serologic studies of HB are essential to prevent this disease.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D008607 Intellectual Disability Subnormal intellectual functioning which originates during the developmental period. This has multiple potential etiologies, including genetic defects and perinatal insults. Intelligence quotient (IQ) scores are commonly used to determine whether an individual has an intellectual disability. IQ scores between 70 and 79 are in the borderline range. Scores below 67 are in the disabled range. (from Joynt, Clinical Neurology, 1992, Ch55, p28) Disability, Intellectual,Idiocy,Mental Retardation,Retardation, Mental,Deficiency, Mental,Intellectual Development Disorder,Mental Deficiency,Mental Retardation, Psychosocial,Deficiencies, Mental,Development Disorder, Intellectual,Development Disorders, Intellectual,Disabilities, Intellectual,Disorder, Intellectual Development,Disorders, Intellectual Development,Intellectual Development Disorders,Intellectual Disabilities,Mental Deficiencies,Mental Retardations, Psychosocial,Psychosocial Mental Retardation,Psychosocial Mental Retardations,Retardation, Psychosocial Mental,Retardations, Psychosocial Mental
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002674 Child, Institutionalized A child who is receiving long-term in-patient services or who resides in an institutional setting. Institutionalized Child,Children, Institutionalized,Institutionalized Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D005260 Female Females

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