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. 2020 Jul 28;14:1283–1293. doi: 10.2147/PPA.S259612

Table 3.

Model Parameters

Class 1 Class 2
Class Proportions 0.635 0.365
Utility Parameters Parameter T-Ratio Parameter T-Ratio
(Reference category: Oral – Low frequency 2–3 times/weekly)
Oral – High Frequency (Daily) 1.149 2.36 0.130 0.73
Intravenous – Low Frequency (Fortnightly/Monthly) 0.473 1.04 −0.401 −2.75
Intravenous – High Frequency (2–3 times/weekly) −0.235 −0.88 −0.907 −4.99
Subcutaneous – Low Frequency (Fortnightly/Monthly) 0.622 1.57 −0.166 −1.11
Subcutaneous – High Frequency (2–3 times/weekly) −0.439 −1.38 −0.572 −3.84
(Reference category: Free £0)
Out-of-pocket cost – £400/800 −0.028 −0.11 −0.263 −2.12
Out-of-pocket cost – £1200 −0.327 −1.03 −0.402 −2.8
Out-of-pocket cost – £1600 −0.279 −0.79 −0.612 −4.22
(Reference category: 1 year)
Average survival – 3 years 6.101 5.93 0.672 3.89
Average survival – 5 years 9.610 8.29 1.578 9.73
Average survival – 7 years 11.843 9.11 2.194 13.35
Average survival – 9 years 14.034 9.74 2.619 14.51
(Reference category: Long remission period)
Short remission period −1.986 −7.72 −0.598 −6.72
(Reference category: Low to medium risk of mild-to-moderate side effects)
No mild-to-moderate side effects 0.418 1.12 0.414 2.69
High risk of mild-to-moderate side effects −0.724 −4.01 −0.181 −1.81
(Reference category: Low risk of severe side effects)
No severe side effects 0.555 1.84 0.545 4.23
High risk of severe side effects −0.438 −1.82 −0.155 −1.61
Neither treatment (constant) −4.939 −4.04 −0.267 −1.21
Class membership – Class 1
(Reference category: Class 2)
Constant 0.699 3.46
Living alone −0.874 −2.59
Diagnosed recently 0.386 1.68
Experienced severe side effects −0.479 −1.97
419 participants, Number of choice observations: 4190.
Log likelihood −1951.59