Table 3.

Relationships between patient characteristics and colonoscopy use within 14 months of surgery (N = 1423)

	Had colonoscopy N (%)	Bivariate		Multivariate
		OR	p	OR	p
All	692 (49)
Age
<65 years	328 (53)	1.35	<0.01	1.05	0.69
≥65 years	364 (45)	1.00	-	1.00	-
Sex
Male	393 (47)	0.87	0.19	0.87	0.26
Female	299 (51)	1.00	-	1.00	-
Site of tumor
Colon	576 (50)	1.28	0.08	1.41	0.02
Rectum	116 (44)	1.00	-	1.00	-
Stage
I	192 (46)	1.00	-	1.00	-
II	244 (49)	1.01	0.92	0.89	0.44
III	255 (50)	1.12	0.30	0.68	0.04
Comorbidities
None	197 (55)	1.00	-	1.00	-
Mild	330 (52)	1.25	0.04	0.92	0.56
Moderate	110 (43)	0.76	0.046	0.69	0.04
Severe	55 (32)	0.45	<0.01	0.44	<0.01
Race/ethnicity
Non-Hispanic White	468 (49)	1.00	-	1.00	-
Non-Hispanic Black	120 (47)	0.91	0.48	0.89	0.48
Hispanic	38 (45)	0.87	0.54	0.95	0.83
Other	66 (54)	1.25	0.24	1.50	0.05
Education
<high school	328 (46)	1.00	-	1.00	-
≥High school	364 (51)	1.22	0.07	1.07	0.62
Annual income
<$50,000	364 (44)	0.66	<0.01	0.74	0.05
≥$50,000	328 (55)	1.00	-	1.00	-
Marital status
Married	415 (51)	1.20	0.09	1.03	0.79
Not married	277 (46)	1.00	-	1.00	-
Site of care
Alabama	156 (51)	1.13	0.35	1.92	<0.01
Los Angeles	144 (48)	0.97	0.81	1.49	0.03
North Carolina	236 (57)	1.58	0.00	2.32	<0.01
VA hospitals	66 (40)	0.67	0.02	1.38	0.16
Managed care	90 (38)	1.00	-	1.00	-
Saw a primary care provider
Yes	440 (51)	1.22	0.06	1.44	<0.01
No	252 (46)	1.00	-	1.00	-
Saw a medical oncologist
Yes	530 (51)	1.49	<0.01	1.23	0.17
No	162 (41)	1.00	-	1.00	-
Had adjuvant chemotherapy
Yes	332 (56)	1.69	<0.01	1.75	<0.01
No	360 (43)	1.00	-	1.00	-

Note: OR = odds ratio.