Table 2 Crude and age-adjusted prevalence of different REs
N = 1626 | n | Crude Rate | Age-adjusted Rate | 95%CI lower | 95%CI upper | P value |
|---|---|---|---|---|---|---|
Myopia | ||||||
 Total | 379 | 23.31% | 26.35% | 24.01% | 28.70% |  |
  Han | 302 | 27.83% | 31.50% | 27.56% | 35.45% | < 0.0001 |
  Yi | 77 | 14.23% | 16.80% | 12.81% | 20.78% |  |
Hyperopia | ||||||
 Total | 375 | 23.06% | 19.89% | 18.16% | 21.61% |  |
  Han | 216 | 19.91% | 16.58% | 14.29% | 18.87% | < 0.0001 |
  Yi | 159 | 29.39% | 27.37% | 22.97% | 31.78% |  |
High myopia | ||||||
 Total | 39 | 2.40% | 2.64% | 1.75% | 3.53% |  |
  Han | 33 | 3.04% | 3.34% | 2.08% | 4.60% | 0.049 |
  Yi | 6 | 1.11% | 1.31% | 0.19% | 2.43% |  |
Astigmatism | ||||||
 Total | 939 | 57.75% | 56.82% | 54.31% | 59.34% |  |
  Han | 667 | 61.47% | 60.07% | 55.11% | 65.02% | 0.026 |
  Yi | 272 | 50.28% | 50.67% | 44.32% | 57.02% |  |