Table 4.

Univariate and multivariate analyses of variables associated with the use of colonoscopy using logistic regression models, BCBSNE 2013–2015.

	Colonoscopy use in 2015
	Colonoscopy use	No colonoscopy use	P	Univariate OR (95% CI)	Multivariate OR (95% CI)
Age
50–54	1,308 (43.0)	17,206 (31.0)	<0.0001	1.0	1.0
55–59	809 (27.0)	20,138 (36.0)		0.53 (0.48, 0.58)	0.56 (0.60, 0.71)
60–64	926 (30.0)	18,387 (33.0)		0.66 (0.61, 0.72)	0.86 (0.80, 0.93)
Gender
Male	1,297 (43.0)	25,947 (47.0)		1.0	1.0
Female	1,746 (57.0)	29,784 (53.0)	<0.0001	1.18 (1.09, 1.26)	1.16 (1.09, 1.25)
Member status
Rural	1,515 (50.0)	28,971 (52.0)	0.02	1.0	1.0
Urban	1,528 (50.2)	26,758 (48.0)		1.09 (1.01, 1.17)	1.06 (0.98, 1.14)
PCP visits in 2013–2014
0	521 (17.0)	12,578 (23.0)	<0.0001	1.0	1.0
1–2	834 (27.0)	14,874 (27.0)		1.35 (1.21, 1.51)	1.36 (1.21, 1.52)
3–5	895 (29.0)	14,634 (26.0)		1.48 (1.32, 1.65)	1.51 (1.35, 1.68)
≥6	793 (26.0)	13,645 (24.0)		1.40 (1.25, 1.57)	1.47 (1.31, 1.65)
CCI in 2013–2014
0	2,415 (79.0)	43,361 (78.0)	0.03	1.0	1.0
1	439 (14.0)	8,233 (15.0)		0.95 (0.86, 1.06)	0.95 (0.85, 1.05)
≥2	189 (6.0)	4,137 (7.0)		0.82 (0.70, 0.95)	0.84 (0.71, 0.97)

PCP visits, Primary Care Physician visits; CCI, Charlson Comorbidity Index.