论文部分内容阅读
目的分析贵阳市属中学学生视力不良10 a动态变化情况,为预防控制学生视力不良提供参考。方法采用整群抽样方法,对贵阳市属中学学生2002—2011年视力不良检测资料进行统计分析。结果贵阳市中学生2002—2011年视力不良检出率总体呈上升趋势(χ2趋势=3 597.694,P<0.01),学生视力不良检出率总体随年龄增加而增高(P<0.01),各年份女生视力不良检出率均高于男生(P值均<0.01);重度视力不良构成比总体呈升高趋势(χ2趋势=4 042.827,P<0.01)。结论贵阳市属中学学生视力不良检出率处于较高水平,总体呈逐年升高趋势。学生视力不良防控工作需进一步加强。
Objective To analyze the dynamic changes of poor visual acuity (10 a) in middle school students in Guiyang, and to provide reference for prevention and control of students’ bad eyesight. Methods A cluster sampling method was used to analyze the data of poor eyesight detection in secondary school students in Guiyang from 2002 to 2011. Results The detection rate of poor eyesight in middle school students in Guiyang increased from 2002 to 2011 (χ2 trend = 3 597.694, P <0.01). The prevalence of poor eyesight increased with age (P <0.01) The detection rate of poor eyesight was higher than that of boys (all P <0.01). The incidence of severe eyesight was higher than that of boys (χ2 = 4 042.827, P <0.01). Conclusion The detection rate of poor eyesight in middle school students in Guiyang City is at a high level, showing an increasing trend year by year. Students with poor eyesight prevention and control work needs to be further strengthened.