Table 2 Multivariable logistic regression analysis -- participant support for a tax increase under at least one scenario
| Â | Models | |
|---|---|---|
Variables | Full OR (95% CI) | Reduced OR (95% CI) |
Alzheimer's disease knowledge score | Â | Â |
   Good | 0.27 (0.03-2.46) | NIM |
   Fair | 0.24 (0.03-2.15) | NIM |
   Poor | 1.00 | NIM |
Age | Â | Â |
   ≥ 65 years | 1.15 (0.56-2.33) | 1.25 (0.63-2.49) |
   < 65 years | 1.00 | 1.00 |
Sex | Â | Â |
   Female | 0.99 (0.57-1.71) | 0.96 (0.56-1.64) |
   Male | 1.00 | 1.00 |
EQ-5D Index (current health state) | Â | Â |
   ≥ 0.84 | 1.25 (0.73-2.14) | NIM |
   < 0.84 | 1.00 | NIM |
EQ-5D Index (participants assume they have Alzheimer's disease) | Â | Â |
   ≥ 0.78 | 0.47 (0.26-0.85) | 0.43 (0.24-0.77) |
   < 0.78 | 1.00 | 1.00 |
Annual household income | Â | Â |
   ≥ $80,000 | 1.04 (0.41-2.62) | 1.19 (0.49-2.88) |
   $60,000 to < $80,000 | 1.10 (0.44-2.72) | 1.25 (0.52-2.99) |
   $40,000 to < $60,000 | 0.48 (0.21-1.09) | 0.53 (0.24-1.16) |
   $20,000 to < $40,000 | 1.15 (0.36-2.09) | 1.09 (0.48-2.50) |
   < $20,000 | 1.00 | 1.00 |
Family/friend has Alzheimer's disease* | Â | Â |
   Yes | 1.34 (0.77-2.30) | 1.28 (0.75-2.19) |
   No | 1.00 | 1.00 |
Family/friend approval†|  |  |
   Strongly approve | 13.49 (4.30-42.33) | 14.72 (4.80-45.21) |
   Somewhat approve | 4.57 (1.96-10.61) | 4.82 (2.12-10.95) |
   Somewhat disapprove | 1.50 (0.61-3.71) | 1.66 (0.69-4.02) |
   Strongly disapprove | 1.00 | 1.00 |
-2 Log likelihood | 361.92 | 369.94 |
Likelihood ratio test (reduced model versus full model) |
G = 8.02; p = 0.0456 | |
Akaike information criterion | 391.92 | 393.94 |
Hosmer and Lemeshow Goodness-of- fit Test | p = 0.4431 | p = 0.3039 |
= 7.82