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Table 4 The relative contributions of decreasing and increasing trend of myopia prevalence among high school students in Fenghua city during 2001 to 2015

From: The increasing prevalence of myopia and high myopia among high school students in Fenghua city, eastern China: a 15-year population-based survey

  Decreasing trend Increasing trend
  β Contribution rate (%) β Contribution rate (%)
Low myopia −0.02 100   
Moderate myopia    0.008 3.93
High myopia    0.053 27.00
Very high myopia    0.136 69.07