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 |