Table 7.

Principal component regression analysis

	β	S E	Waldχ2	OR	95% CI	P
PC1	0.53	0.05	107.44	1.70	1.54, 1.88	< 0.01
PC2	0.11	0.04	7.46	1.12	1.03, 1.22	< 0.01
PC3	0.04	0.04	0.86	1.04	0.96, 1.12	0.35
PC4	0.99	0.05	390.52	2.69	2.44, 2.96	< 0.01
PC5	0.23	0.05	21.83	1.26	1.15, 1.39	< 0.01
Constant	−1.45	0.05	882.44	0.24		< 0.01

PC principal component, 95% CI 95% confidence interval, OR odds ratio, SE standard error