杭州市高中学生龋患状况对应分析研究

Correspondence analysis on the prevalence of caries among senior high school students in Hangzhou

目的了解杭州市高中生龋齿患病情况,为中学生龋齿防治提供科学依据。方法采用随机整群抽样方法,抽取杭州市2003-2005年参加健康体检的共15所高中学校(职业高中9所,普通高中6所)学生28730名(男生12922名,女生15808名)作为研究对象;按照《2000年全国学生体质健康状况调查研究实施方案》的要求,由口腔专业人员对学生进行口腔检查及记录。采用秩和检验和对应分析方法评价高中生龋齿患病状况。结果>18岁年龄组患龋率在2003年较高。18岁～年龄组患龋率在2004年较高,<16岁年龄组学生患龋率在2005年较高。结论应大力加强杭州市低年龄组高中学生的龋齿防治和保健工作。

Objective The present study was designed to investigate the prevalence of caries among senior high school students in the city of Hangzhou and provide a scientific basis for the prevention of caries.Methods A total of 28 730 students（male 12 922 and female 15 808）from 15 senior high schools（9 occupational and 6 ordinary high schools）were enrolled by random cluster sampling for the health examination program of Hangzhou from 2003 to 2005.The oral cavities of the subjects were examined and documented by dental professionals according to Executive Protocol of Research on Students＇ Health Condition in China,2000.The prevalence of caries among senior high school students was evaluated by the rank sum test and correspondence analysis.Results The prevalence of caries was different in different age groups in different years with a higher incidence of the condition among the age groups of over 18 years,18 years and under 16 years in 2003,2004 and 2005,respectively. Conclusion The prevention and care of caries for younger senior-high-school students are to be substantially reinforced.