Table 7.
Correlation coefficients between eye habits and covariates before and after weighting with propensity scores– continuous near-work time
| Variables | Type | Uncorrected | Corrected | Status |
|---|---|---|---|---|
| Age | Continuous | −0.033 | 0.094 | balanced |
| Cumulative flying time | Binary | 0.081 | −0.021 | balanced |
| AA | Continuous | −0.059 | −0.053 | balanced |
| PRA | Continuous | 0.110 | 0.051 | balanced |
| Types of CRS | Binary | −0.155 | −0.027 | balanced |
| Postoperative period | Binary | −0.092 | 0.009 | balanced |
| Spherical equivalent | Continuous | 0.838 | 0.281 | unbalanced |
| UCVA | Continuous | 0.712 | 0.177 | balanced |
| Age at surgery | Continuous | 0.153 | 0.038 | balanced |
| IOP | Binary | 0.247 | 0.106 | balanced |