Subjective Questioning Responses: Ease of Completing Tasks (Simulated-Use Study)
| Task | Number of Participants Responding | Average Participant Rating (1 = Very Easy, 5 = Very Difficult) |
|---|---|---|
| Open the PFS carton | 27 | 1.1 ± 0.3 |
| Open the blister packaging | 27 | 1.4 ± 0.5 |
| Remove the PFS from the blister packaging | 27 | 2.2 ± 0.9 |
| Snap off the syringe cap | 30 | 1.9 ± 0.8 |
| Attach the injection needle to the PFS | 30 | 1.2 ± 0.4 |
| Remove the air from the PFS | 15 | 1.7 ± 0.7 |
| See the dose mark | 15 | 1.7 ± 0.8 |
| View the liquid inside the PFS | 15 | 1.2 ± 0.4 |
| Operate the syringe plunger | 15 | 1.3 ± 0.5 |
| Correctly align the rubber stopper with dose mark | 15 | 1.9 ± 0.9 |
PFS = prefilled syringe.