PREVALENCE OF HEPATITIS B MARKERS IN ITALY
1983
: Among 5005 Navy recruits aged 18-26 years from all sections of Italy, whose blood was tested in 1981, regional prevalence of serologic markers for hepatitis B was higher in southern Italy and in the Italian islands as compared with northern Italy and central Italy (4.3% vs. 2.3% for hepatitis B surface antigen (HBsAg) and 23.5% vs. 10.5% for any B marker). Social-demographic variables such as region, family size, and education were associated with hepatitis B as were the more traditionally associated variables related to blood or medical care such as history of intravenous injection, history of blood transfusion, or exposure to hospital. Number of siblings was positively related and educational attainment inversely related to prevalence of hepatitis B markers. The prevalence of HBsAg among Italian males aged 18-26 years with residence in southern Italy or in the Italian islands, whose education was limited to lower middle school, and who were from a family of eight siblings or more, is 14.6%. These are among the highest prevalence rates for hepatitis B antigen ever reported for a general population group in Europe. Good correlation exists between incidence of reported cases of hepatitis and prevalence of markers in the different regions of Italy.
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