| | Independent variables | Hard to remember | Side effects | Too many drops come out | Dosing times are inconvenient | Difficult to read the print | | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) |
| | Age | 0.99 (0.94, 1.04) | 0.98 (0.94, 1.02) | 1.01 (0.98, 1.05) | 0.98 (0.93, 1.03) | 0.98 (0.95, 1.01) | | Years of education | 1.23 (1.05, 1.44)* | 1.16 (1.01, 1.32)* | 1.01 (0.92, 1.12) | 1.19 (1.01, 1.41)* | 0.99 (0.89, 1.10) | | Gender: male | 0.97 (0.34, 2.75) | 0.41 (0.15, 0.96)* | 2.20 (1.03, 4.42)* | 0.43 (0.13, 1.42) | 0.71 (0.34, 1.49) | | Race: White | 0.90 (0.29, 2.76) | 0.52 (0.21, 1.30) | 1.03 (0.47, 2.23) | 1.10 (0.32, 3.85) | 0.59 (0.27, 1.30) | | No. of glaucoma medications | 11.11 (2.37, 52.1)** | 3.44 (1.27, 9.29)* | 2.20 (1.04, 4.66)* | 7.47 (1.54, 36.07)* | 0.94 (0.43, 2.04) | | How long have had glaucoma | 1.13 (0.79, 1.62) | 0.89 (0.68, 1.17) | 0.92 (0.74, 1.15) | 1.98 (1.02, 3.88)* | 0.77 (0.62, 0.96)* |
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