Objective:To investigate and analyze the prevalence and influencing factors of myopia among students in a junior middle school in Lanling county,Shandong province,and provide basis for scientific prevention and control strategies.Methods:Simple random sampling was used to investigate the students from grade one to grade three by questionnaire and self-report.SPSS 20.0 software was used for statistical analysis of the data.Chi-square test was used for univariable analysis and Logistic regression analysis was used for multivariable analysis.Results:1 410 students participated in the survey,698 boys and 712 girls,and the overall myopia rate was 51.8％.The number of students from grade one to grade three was 422,548 and 440.There are 1 388 rural students,accounting for 98.4％.The univariate analysis results revealed that,compared to non-myopic students,those with myopia were significantly more likely to be female,have parents who wear glasses for myopia,be knowledgeable about the importance of"engaging in daily outdoor activities,"understand the necessity of"performing eye exercises daily,"read or use electronic devices while lying down,spend one hour daily on outdoor activities,and dedicate more than three hours daily to homework.Conversely,myopic students were significantly less likely to be aware of"proper eye care habits,"understand the procedure of"diagnosing myopia through cycloplegic refraction,"recognize that"high myopia can lead to complications and functional impairments,"know the"appropriate age range for refractive examinations,"comprehend the"potential harm of cycloplegic drugs to the eyes,"perform daily eye exercises,have received education on myopia prevention,and have been screened for myopia in kindergarten(P＜0.05).The results of the multivariate Logistic regression analysis showed that being female(OR=2.46,95％CI 1.93-3.15),not being aware of the age group for refractive eye exams(OR=1.36,95％CI 1.03-1.80),having read myopia prevention information(OR=1.46,95％CI l.03-2.08),and not having undergone myopia screening in kindergarten(OR=2.52,95％CI 1.96-3.24)were risk factors for myopia among middle school students.Meanwhile,parents not wearing corrective glasses for myopia(OR=0.30,95％CI 0.20-0.45)and not reading books or using electronic devices while lying down(OR=0.49,95％CI 0.33-0.75)were protective factors against myopia among middle school students.Conclusion:The overall myopia rate among middle school students in the study area is relatively high,while the awareness rate of myopia-related knowledge is low.It is necessary to strengthen the promotion of myopia prevention knowledge in this area,encouraging students to develop good eye habits and behaviors to prevent the occurrence and progression of myopia.
myopiajunior middle school studentsinfluencing factorsLanling county
NETL
NSTL
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