Table 5.

Summary of the results of the multivariable regression analyses, with blocks of variables added sequentially to the model

Block	Characteristic	Multivariable Block 1 n=947			Multivariable Block 2 n=943			Multivariable Block 3 n=926			Multivariable Block 4 n=877
		AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value	AOR	95% CI	P value
Demographics	Gender: reference category male
	Female	0.87	0.66 to 1.14	0.311	0.89	0.67 to 1.17	0.390	0.90	0.68 to 1.19	0.462	0.85	0.61 to 1.19	0.350
	Age (per decade)	0.82	0.82 to 0.90	<0.001	0.82	0.74 to 0.90	<0.001	0.82	0.74 to 0.90	<0.001	0.82	0.66 to 0.90	<0.001
	Ethnicity: reference category white
	Non-white	1.54	1.05 to 2.27	0.027	1.64	1.10 to 2.43	0.014	1.61	1.08 to 2.40	0.020	1.72	1.05 to 2.81	0.031
Physical health	Total illnesses: reference category 0 illness
	1 illness				2.06	1.34 to 3.18	<0.001	2.09	1.36 to 3.24	<0.001	1.28	0.77 to 2.13	0.051
	2 illnesses				3.55	2.23 to 5.65		3.62	2.26 to 5.78		1.96	1.14 to 3.37
	3+ illnesses				3.91	2.24 to 6.82		4.02	2.27 to 7.11		1.68	0.86 to 3.29
Eye health	Total eye conditions: reference category one condition
	2 conditions							0.91	0.66 to 1.27	0.114	0.98	0.67 to 1.43	0.026
	3+ conditions							0.48	0.24 to 0.96		0.34	0.15 to 0.75
	Visual acuity							1.00	0.98 to 1.03	0.929	1.00	0.97 to 1.03	0.942
	Time since vision loss (per year)							0.99	0.98 to 1.00	0.075	0.99	0.98 to 1.00	0.244
Self-report measure	Subjective health: reference category poor
	Excellent										0.01	0.00 to 0.12	<0.001
	Very good										0.06	0.03 to 0.13
	Good										0.14	0.08 to 0.24
	Fair										0.28	0.18 to 0.46
	Visual functioning										1.45	1.31 to 1.61	<0.001
Area under ROC curve		0.59			0.65			0.65			0.81

AOR, adjusted OR.