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