Table 3.
Main Effects Mixed Logit Model Results (n = 114)
| Attributes | Coefficient | SEa | SD | SEb |
|---|---|---|---|---|
|
Injection pain (ref: slight pain) ● Very slight pain |
2.275*** |
0.309 |
1.854*** |
0.306 |
|
Operation steps (ref: manual injection method) ● Auto-injection method |
0.667** |
0.233 |
2.078*** |
0.317 |
|
Size (ref: thinner and not easy to hold) ● Thicker and easier to hold |
0.614*** |
0.172 |
1.150*** |
0.222 |
|
Needle visibility (ref: visible needle) ● Hidden needle |
0.506* |
0.216 |
1.752*** |
0.296 |
|
Needle protection (ref: without needle protection) ● With needle protection |
0.494** |
0.176 |
1.301*** |
0.231 |
|
Feedback indication (ref: visual indication only) ● Visual, audible and tactile feedback indications |
0.488*** |
0.146 |
−0.633** |
0.236 |
| Out-of-pocket costs | −0.050*** | 0.009 | 0.055*** | 0.008 |
Notes: aStandard error of coefficient; bStandard error of SD. *P<0.05, **P<0.01, ***P<0.001.
Abbreviations: ref, reference; SE, standard error; SD, standard deviation.