Associations between moderate to severe myopia, mild myopia and hypermetropia, and highest educational attainment and adult socioeconomic status, using three minimum threshold values for myopia
| Moderate to severe myopia (≤−3.0D) (n=248) | |||||||||
| Model 1 | Model 2 | Model 3 | |||||||
| Emmetropia | >−1D to <+1D (n=1005) | >−0.75 D to <+1D (n=836) | >−0.5D to <+1D (n=627) | ||||||
| Relative risk ratio | Relative risk ratio | Relative risk ratio | |||||||
| Unadj | Adjusted | 95% CI | Unadj | Adjusted | 95% CI | Unadj | Adjusted | 95% CI | |
| Highest educational attainment | |||||||||
| <O levels | 1 | 1 | 1 | 1 | 1 | ||||
| O levels | 2.36 | 2.14 | 1.32 to 3.46 | 2.18 | 1.95 | 1.20 to 3. 17 | 2.02 | 1.79 | 1.09 to 2.93 |
| A levels | 2.45 | 2.3 | 1.36 to 3.90 | 2.37 | 2.11 | 1.29 to 3.57 | 2.51 | 2.29 | 1.32 to 3.96 |
| Higher education | 4.43 | 3.75 | 2.33 to 6.05 | 4.42 | 3.64 | 2.27 to 5.96 | 4.37 | 3.55 | 2.17 to 5.81 |
| Socioeconomic status | |||||||||
| Manual | 1 | 1 | 1 | 1 | 1 | 1 | |||
| Non-manual | 2.49 | 1.80 | 1.17 to 2.76 | 2.61 | 1.89 | 2.22 2.91 | 2.77 | 2.01 | 1.30 to 3.12 |