Table 1:

Patient-level social disadvantage and patient health and healthcare utilization characteristics by colorectal cancer (CRC) screening test use during 18-month follow-up period for age- and screening-eligible sample (N=32,965); Pct: Percent; SD: Standard deviation; IQR: Interquartile mean; ED: Emergency department.

	Overall		Screened
	N	Pct	N	Pct	P-value
	(Mean)	(SD)	(Mean)	(SD)
Patient Social Disadvantage
Age	(55.17)	(4.06)	(55.14)	(4.12)	0.3
Sex
Female	19,862	0.6	9,256	0.62	<0.001
Male	13,103	0.4	5,607	0.38
Race/Ethnicity
African American	12,202	0.37	5,009	0.34	<0.001
Hispanic	12,860	0.39	6,766	0.46
Other	1,853	0.06	784	0.05
White	6,050	0.18	2,304	0.15
Language
English	21,914	0.66	8,854	0.6	<0.001
Spanish	9,562	0.29	5,344	0.36
Other	1,343	0.04	641	0.04
Unknown	146	0.01	24	0
Charlson index1
0	18,525	0.56	8,549	0.58	<0.001
2-Jan	12,332	0.37	5,586	0.38
3+	2,108	0.06	728	0.05
Healthcare Utilization Factors
Clinic2					<0.001
Patient has primary care provider	15,160	0.46	7,440	0.5	<0.001
Payer type
Commercial	2,051	0.06	498	0.03	<0.001
Medicaid	2,862	0.09	938	0.06
Medicare	2,399	0.07	888	0.06
Other	637	0.02	347	0.02
Uninsured	25,016	0.76	12,192	0.82
Payer type changed3	6,684	0.2	3,151	0.21	<0.001
# primary care visits3	(4.18)	(2.75)	(4.71)	(2.63)	<0.001
# ED care visits3	(0.85)	(2.79)	(0.83)	(2.25)	0.05
# missed care visits3	(2.27)	(2.77)	(2.31)	(2.71)	<0.001
Total	32,965	1	14,863	45.12

¹Measured in year prior to index visit

²Clinic indicators not shown

³Measured in 18-month follow-up period.