Table 3 Significance Testing for Difference in Preference between Devices on Each Item of the DID-PQ (N = 310)
From: Validity and analysis of the Diabetes Injection Device Preference Questionnaire (DID-PQ)
DID-PQ Items | Na | Prefer Dulaglutide Deviceb n (%) | Prefer Semaglutide Devicec n (%) | p-valued |
|---|---|---|---|---|
1. Ease of preparing the injection device and medication for use | 302 | 280 (92.7%) | 22 (7.3%) | <.0001 |
2. Ease of fitting the injection into your routine | 260 | 235 (90.4%) | 25 (9.6%) | <.0001 |
3. Ease of bringing the injection device with you when it is necessary to inject away from home | 260 | 219 (84.2%) | 41 (15.8%) | <.0001 |
4. Confidence that the injection device provides the correct dose of medication every time | 270 | 234 (86.7%) | 36 (13.3%) | <.0001 |
5. Confidence that you are using the injection device correctly | 269 | 245 (91.1%) | 24 (8.9%) | <.0001 |
6. The size of the needle | 188 | 159 (84.6%) | 29 (15.4%) | <.0001 |
7. The time it takes to prepare and inject each dose of medication | 285 | 270 (94.7%) | 15 (5.3%) | <.0001 |
8. Overall satisfaction with the injection device | 285 | 255 (89.5%) | 30 (10.5%) | <.0001 |
9. Overall ease of using the injection device (gated secondary outcome) | 290 | 269 (92.8%) | 21 (7.2%) | <.0001 |
10. Overall convenience of using the injection device | 293 | 267 (91.1%) | 26 (8.9%) | <.0001 |