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Mean ± SE from a mixed linear model of wearing time in hours per week for subjects who wore their originally assigned treatment throughout the entire study.
| Visit | GP | SCL |
|---|---|---|
| 6 month | 69.4 ± 3.7 | 75.5 ± 3.3 |
| 1 year | 76.9 ± 3.8 | 83.6 ± 3.2 |
| 18 month | 79.6 ± 3.9 | 87.7 ± 3.2 |
| 2 year | 79.6 ± 3.9 | 89.1 ± 3.3 |
| 30 month | 72.4 ± 4.3 | 92.7 ± 3.7* |
| 3 year | 76.7 ± 4.0 | 93.5 ± 3.3* |
Significant difference between GP and SCL group by mixed linear model p < 0.05
