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目的了解高中生乙型肝炎病毒(HBV)携带情况,为学校制定相应的预防政策提供依据。方法对于都县三中2005-2009年入学高中新生HBV感染情况进行统计学分析。结果该校近5 a HBsAg阳性率为4.51%,2009年比2005年下降了2.32个百分点。男生HBsAg阳性率为6.11%,女生HBsAg阳性率为2.85%,差异有统计学意义(χ2=23.63,P<0.01)。来自城镇新生的HBsAg阳性率为4.10%,来自郊区学生为5.87%,差异有统计学意义(χ2=6.66,P<0.01)。城镇学生乙型肝炎相关卫生知识认识水平(传播途径、预防措施)均明显高于郊区,差异有统计学意义(P<0.05或P<0.01)。结论应针对性地做好乙型肝炎的防治工作,加强郊区学生乙肝疫苗接种工作。
Objective To understand the situation of hepatitis B virus (HBV) carrier in high school and to provide basis for the school to make corresponding preventive policies. Methods A statistical analysis was conducted on the HBV infection status of high school freshmen in Duxian County from 2005 to 2009. Results The positive rate of HBsAg in this school was 4.51% in the past 5 years and 2.32% in 2009 compared with 2005. The positive rate of HBsAg was 6.11% in boys and 2.85% in girls. The difference was statistically significant (χ2 = 23.63, P <0.01). The positive rate of HBsAg from urban freshmen was 4.10% and that from suburban students was 5.87%, the difference was statistically significant (χ2 = 6.66, P <0.01). The knowledge level (transmission route, precautionary measures) of hepatitis B related health knowledge among urban students was significantly higher than that of the suburbs, the difference was statistically significant (P <0.05 or P <0.01). Conclusion Hepatitis B prevention and treatment should be targeted to strengthen the outbreak of hepatitis B vaccination in rural areas.