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Table 9 Convenience Satisfaction Ratings Correlated with Frequency of Specific Difficulties with Administration (Spearman Rho Correlations)
| TSS-IOP Ease of Use (Level 3) | TSS-IOP Convenience of Use (Level 3) | TSQM Convenience (Level 2) | TSQM GLOBAL (Level 1) | |
|---|---|---|---|---|
| Problems self-administering | -.52*** | -.30*** | -.42*** | -.28*** |
| Requiring assistance | -.23*** | -.02 | -.17** | -.06 |
| Frequency missing eye | -.44*** | -.29*** | -.33*** | -.09 |
| Anticipatory blink and spillage | -.30*** | -.23*** | -.30*** | -.15* |
| Trouble positioning head | -.43*** | -.34*** | -.34*** | -.19** |
| Delivering too much medication | -.45*** | -.29*** | -.27*** | -.16** |
| Forgetting to use medication | -.17** | -.38*** | -.26*** | -.11 |
