Table 4.
Comparison of pre- and post-EDC results of steps taken during administration process of eye drops
| Pre-EDC subjects (%) | Post-EDC subjects (%) | P-value | |
|---|---|---|---|
| Wash hands before | |||
| Every time | 16 (64) | 23 (92) | 0.029* |
| Often | 7 (28) | 1 (4) | |
| Once a week or less | 2 (8) | 1 (4) | |
| Shake bottle before | |||
| Every time | 10 (40) | 21 (84) | 0.001* |
| Often | 4 (16) | 3 (12) | |
| Once a week or less | 11 (44) | 1 (4) | |
| One drop in each eye | |||
| Every time | 16 (64) | 16 (64) | 0.438 |
| Often | 9 (36) | 7 (28) | |
| Once a week or less | 0 (0) | 2 (8) | |
| Bottle tip touch | |||
| Every time | 0 (0) | 0 (0) | 0.999 |
| Often | 4 (16) | 5 (20) | |
| Once a week or less | 21 (84) | 20 (80) | |
| Miss the eye | |||
| Every time | 0 (0) | 0 (0) | 0.06 |
| Often | 8 (32) | 5 (20) | |
| Once a week or less | 17 (68) | 20 (80) | |
| Tear ducts occlusion | |||
| Every time | 11 (44) | 18 (72) | 0.015* |
| Often | 3 (12) | 5 (20) | |
| Once a week or less | 11 (44) | 2 (8) | |
| Duration of duct occlusion | |||
| na – no | 19 (76) | 10 (40) | 0.035* |
| <1 minute | 3 (12) | 7 (28) | |
| 1–5 minutes | 3 (12) | 8 (32) | |
| 5 minutes between drops | |||
| Every time | 7 (28) | 6 (24) | 0.999 |
| Often | 1 (4) | 1 (4) | |
| Once a week or less | 17 (68) | 18 (72) | |
| Order in use drops then ointment | |||
| Every time | 1 (4) | 2 (8) | 0.999 |
| Often | 0 (0) | 0 (0) | |
| Once a week or less | 24 (96) | 23 (92) | |
| Monthly disposal of bottle | |||
| Every time | 17 (68) | 23 (92) | 0.09 |
| Often | 2 (8) | 1 (4) | |
| Once a week or less | 6 (24) | 1 (4) | |
| Missed drops | |||
| Never | 9 (36) | 12 (48) | 0.474 |
| Rarely | 11 (44) | 11 (44) | |
| Weekly | 5 (20) | 2 (8) | |
Notes:
*
P<0.05.
Abbreviations: EDC, eye drop chart; NA, not answered.