Table 3.

Multivariable models of characteristics associated with utilization of any colonoscopy, flexible sigmoidoscopy, or barium enema

	Colonoscopy		Flexible sigmoidoscopy		Barium enema
	Odds ratio	95% confidence interval	Odds ratio	95% confidence interval	Odds ratio	95% confidence interval
Sex
Male	1.00		1.00		1.00
Female	0.97	0.97, 1.00	0.89	0.86, 0.93	1.13	1.04, 1.24
Age
65–69	1.00		1.00		1.00
70–74	1.06	1.01, 1.10	0.94	0.89, 0.99	1.25	1.10, 1.41
75–79	1.04	1.00, 1.08	0.78	0.74, 0.82	1.35	1.19, 1.52
≥ 80	0.77	0.74, 0.81	0.46	0.43, 0.49	1.38	1.22, 1.55
Race
White	1.00		1.00		1.00
Black	0.87	0.76, 0.99	0.79	0.66, 0.95	0.81	0.55, 1.18
Hispanic	0.61	0.48, 0.80	0.32	0.20, 0.50	1.84	1.22, 2.78
Asian	0.78	0.69, 0.89	0.73	0.62, 0.87	0.59	0.40, 0.87
Other	0.87	0.76, 0.99	0.69	0.58, 0.83	0.49	0.31, 0.77
Residence
Rural	1.00		1.00		1.00
Urban	1.06	1.02, 1.11	1.10	1.05, 1.16	1.11	0.99, 1.24