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- W2376526402 abstract "Objective To analyze the prevalence of myopia and create the model for the prevalence of myopia increasing with age among primary and secondary school students in China,and to provide the scientific basis for preventing myopia.MethodsThe national physical fitness and health surveillance data in 2010 was used to analyze the prevalence of myopia among students aged 7-18 years.The difference of the prevalence of myopia in gender and region were analyzed using Logistic regression analysis.On the basis of this,create the mathematical model for the prevalence of myopia increasing with age,and get the model of increasing velocity of the prevalence with age using the first order derivative to the mathematical model above.Results The prevalence of myopia among Han students aged 7-18 years in China was 55.05%,and the higher prevalence was in female(58.7%) than in male(51.4%,P0.01).The prevalence of myopia in urban area was 62.1%,which was higher than that in rural area(48.0%,P0.01).The prevalence of myopia increased significantly and the urban-rural and male-female differences has gradually shortened the increasing trend with age.The mathematical model of the prevalence of myopia increasing with age can be presented as the cubic function equations below for urban male,urban female,rural male,and rural female students,respectively.They are 1=38.26-10.12x1+1.59x21-0.05x31;2=9.14-2.23x2+1.06x22-0.04x32;3=98.06-24.74x3+2.38x23-0.06x33;4=99.23-26.37x4+2.74x24-0.07x34.Conclusion The prevalence of myopia among primary and secondary school students in China increases significantly;the mathematical model of the prevalence of myopia increasing with age are cubic curves;before the puberty or early puberty period sees the most rapid increasing rate of myopia and the preventive strategies should be taken before the early puberty period." @default.
- W2376526402 created "2016-06-24" @default.
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- W2376526402 date "2013-01-01" @default.
- W2376526402 modified "2023-09-24" @default.
- W2376526402 title "Prevalence of myopia and mathematical model for the prevalence of myopia increasing with age" @default.
- W2376526402 hasPublicationYear "2013" @default.
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