Table 2.
θ=0.5 | θ=1 | θ=2 | θ=4 | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||||||||||
Weibull | Cox PH | Weibull | Cox PH | Weibull | Cox PH | Weibull | Cox PH | |||||||||||
| ||||||||||||||||||
Risk Factors | State | Para | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e | Bias | m.s.e |
Markov chain | ||||||||||||||||||
Age | 2 | 0.101 | −0.001 | 0.000 | −0.054 | 0.003 | 0.000 | 0.000 | −0.034 | 0.001 | −0.002 | 0.000 | −0.018 | 0.001 | −0.001 | 0.000 | −0.010 | 0.000 |
3 | 0.181 | 0.000 | 0.001 | −0.056 | 0.004 | 0.000 | 0.001 | −0.036 | 0.002 | −0.001 | 0.000 | −0.020 | 0.001 | 0.000 | 0.000 | −0.010 | 0.001 | |
4 | 0.177 | 0.068 | 0.006 | 0.011 | 0.001 | 0.057 | 0.004 | 0.022 | 0.002 | 0.050 | 0.003 | 0.032 | 0.002 | 0.049 | 0.003 | 0.039 | 0.002 | |
APOE4 | 2 | 0.859 | −0.020 | 0.086 | −0.140 | 0.085 | −0.067 | 0.083 | −0.084 | 0.075 | −0.026 | 0.080 | −0.074 | 0.079 | −0.038 | 0.078 | −0.046 | 0.076 |
3 | 1.313 | −0.033 | 0.104 | −0.157 | 0.113 | −0.093 | 0.113 | −0.092 | 0.104 | −0.036 | 0.109 | −0.082 | 0.102 | −0.052 | 0.088 | −0.038 | 0.103 | |
4 | 1.428 | 0.058 | 0.167 | −0.111 | 0.182 | −0.063 | 0.144 | −0.031 | 0.144 | −0.016 | 0.130 | −0.030 | 0.134 | −0.011 | 0.119 | −0.001 | 0.136 | |
Prior states: | ||||||||||||||||||
IC | 2 | −1.110 | 0.058 | 0.081 | −0.034 | 0.068 | −0.001 | 0.068 | −0.016 | 0.067 | 0.050 | 0.057 | −0.011 | 0.061 | 0.004 | 0.056 | −0.004 | 0.054 |
3 | −3.708 | 0.063 | 0.080 | −0.027 | 0.074 | 0.031 | 0.087 | −0.012 | 0.076 | 0.036 | 0.056 | 0.005 | 0.065 | −0.002 | 0.059 | −0.014 | 0.069 | |
4 | −5.226 | 0.018 | 0.533 | −0.128 | 1.079 | −0.040 | 0.706 | −0.106 | 0.913 | 0.011 | 0.496 | −0.032 | 0.581 | 0.051 | 0.460 | −0.138 | 0.724 | |
MCI | 2 | 0.740 | 0.034 | 0.078 | 0.044 | 0.075 | 0.008 | 0.071 | 0.064 | 0.067 | 0.073 | 0.062 | 0.055 | 0.064 | 0.068 | 0.061 | 0.054 | 0.059 |
3 | −2.305 | 0.017 | 0.074 | 0.058 | 0.080 | 0.040 | 0.078 | 0.059 | 0.066 | 0.077 | 0.066 | 0.077 | 0.067 | 0.079 | 0.055 | 0.061 | 0.064 | |
4 | −1.931 | 0.153 | 0.149 | 0.196 | 0.167 | 0.130 | 0.118 | 0.208 | 0.132 | 0.188 | 0.120 | 0.164 | 0.104 | 0.194 | 0.100 | 0.151 | 0.105 |