Table 3 Preferences of patients based on latent class analysis
Class 1 estimate | SE | RI | Class 2 estimate | SE | RI | Class 3 estimate | SE | RI | |
|---|---|---|---|---|---|---|---|---|---|
Route of administration | |||||||||
Tablet | 1.22*** | 0.27 | 0.25 | 0.92*** | 0.20 | 1.00 | 1.14*** | 0.19 | 0.31 |
Injection | 0.37** | 0.17 | 0.51*** | 0.15 | 0.64*** | 0.16 | |||
Drip (ref) | |||||||||
Frequency of use | |||||||||
1 a day | − 1.00*** | 0.18 | 0.22 | − 0.75*** | 0.16 | 0.82 | − 0.59*** | 0.14 | 0.16 |
1 a week | − 0.47*** | 0.17 | − 0.23 | 0.14 | − 0.02 | 0.16 | |||
1 a month (ref) | |||||||||
Probability of mild short-term side effects | |||||||||
1 in 10 | − 0.30* | 0.17 | 0.06 | − 0.27* | 0.14 | 0.29 | − 0.44** | 0.17 | 0.12 |
1 in 100 | − 0.15 | 0.13 | − 0.08 | 0.12 | − 0.06 | 0.14 | |||
1 in 1000 (ref) | |||||||||
Probability of side effects changing appearance | |||||||||
1 in 10 | − 0.87*** | 0.20 | 0.18 | − 0.34** | 0.16 | 0.11 | − 1.55*** | 0.21 | 0.42 |
1 in 100 | − 0.04 | 0.17 | − 0.10 | 0.14 | − 0.48*** | 0.15 | |||
1 in 1000 (ref) | |||||||||
Probability of psychological side effects | |||||||||
1 in 10 | − 1.11*** | 0.23 | 0.23 | − 0.75*** | 0.18 | 0.82 | − 2.61*** | 0.28 | 0.72 |
1 in 100 | − 0.01 | 0.18 | − 0.62*** | 0.15 | − 0.34** | 0.17 | |||
1 in 1000 (ref) | |||||||||
Probability of severe side effects | |||||||||
1 in 10 | − 1.75*** | 0.27 | 0.36 | − 0.21 | 0.18 | 0.23 | − 3.65*** | 0.39 | 1.00 |
1 in 100 | − 0.82*** | 0.16 | − 0.08 | 0.12 | − 0.79*** | 0.16 | |||
1 in 1000 (ref) | |||||||||
Effectiveness (linear) | 0.12*** | 0.01 | 1.00 | 0.01** | 0.00 | 0.43 | 0.04*** | 0.00 | 0.44 |
Class probability model | |||||||||
Constant | 1.32 | 0.96 | 2.51*** | 0.96 | – | – | |||
Disease duration | − 0.16 | 0.12 | − 0.32*** | 0.12 | – | – | |||
Experience with mild side effects | − 0.46 | 0.36 | − 0.99** | 0.39 | – | – | |||
Average class probability | 0.34 | 0.28 | 0.38 | ||||||