Table 8.

The hazard ratio and confidence interval estimate for significant effects in the Weibull distribution

Transition	Covariate	Hazard Ratio	95% Low	95% Upper	P-value
1→2	Apoe4	2.569	1.168	5.65	0.019
1→3	Apoe4	16.856	2.072	137.14	0.008
3→4	Apoe4	0.286	0.13	0.634	0.002
2→4	No College	9.575	1.315	69.735	0.026
3→4	No College	0.290	0.090	0.934	0.038
1→2	Age	1.06	1.012	1.110	0.014
1→3	Age	1.243	1.114	1.386	<.001
1→5	Age	1.349	1.187	1.534	<.001
2→1	Age	1.064	1.007	1.125	0.028
2→3	Age	1.09	1.027	1.158	0.005
2→5	Age	1.092	1.028	1.160	0.005
3→5	Age	1.055	1.013	1.097	0.01

Hazard ratio in age is the hazard ratio for one year increase in age.