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| Risk Factor | DFW n (%) |
UTSW n (%) |
p value |
|---|---|---|---|
| Lens usage | |||
| Sleeping in lenses | 257 (92) | 141 (93) | 1.000 |
| Replacing less frequently than recommended | 225 (82) | 138 (91) | 0.098 |
| Solutions | |||
| Using fresh solution | 248 (90) | 149 (98) | 0.037 |
| Topping-off | 151 (54) | 145 (95) | <0.001 |
| Water exposure | |||
| Swim/water sports | 170 (62) | 106 (70) | 0.296 |
| Tap water | 200 (72) | 134 (88) | 0.008 |
| Showering | 102 (36) | NA | - |
| Lens case replacement | 228 (82) | 126 (83) | 1.000 |
| Hygiene | 250 (90) | 152 (100) | 0.004 |
