Table 1.

Baseline characteristics by CRCS completion at Year 1 (n = 1247) and repeat screening at Year 2 among participants in the SOS Trial, August 2008 to November 2011 (n = 511).

Variable	CRCS completion at Year 1					Repeat screening at Year 2
	Screened		Not screened		p-value	Screened		Not screened		p-value
	(n = 765)		(n = 482)			(n = 365)		(n = 146)
	n	(%)	n	(%)		n	(%)	n	(%)
Sociodemographic
Age					0.005					0.041
50-64	641	59.8	431	40.2		298	69.6	130	30.4
65-73	124	70.9	51	29.1		67	80.7	16	19.3
Sex					0.670					0.537
Male	335	60.7	217	39.3		171	72.2	64	27.2
Female	430	61.9	265	38.1		194	70.3	82	29.7
Race/ethnicity					0.028					0.142
Hispanic	18	41.9	25	58.1		9	69.2	4	30.8
Black	27	50.0	27	50.0		20	90.9	2	9.1
Asian	32	60.4	21	39.6		13	61.9	8	38.1
White	639	62.9	377	37.1		304	71.7	120	28.3
Other	47	61.0	30	39.0		18	62.1	11	37.9
Education					<0.001					0.499
High school grad/GED or less	86	52.8	77	47.2		41	70.7	17	29.3
Some college	219	56.3	170	43.7		104	75.4	34	24.6
Bachelor's degree or more	458	66.1	235	33.9		219	70.0	94	30.0
Marital status					0.154					0.227
Not married	191	58.1	138	42.0		89	67.4	43	32.6
Married	572	62.5	343	37.5		275	72.9	102	27.0
Employment					0.287					0.827
At least part time	544	60.4	357	39.6		255	71.2	103	28.8
Retired/other	219	63.7	125	36.3		109	72.2	42	27.8
Insurance					0.006					0.202
Commercial/private pay	661	60.0	441	40.0		312	70.4	131	29.6
Medicare/basic health	104	71.7	41	28.3		53	77.9	15	22.1
Medical/health history
Family history of CRC (1st degree relative)					0.032					0.491
No	710	60.7	459	39.3		339	71.1	138	28.9
Yes	42	75.0	14	25.0		19	79.2	5	20.8
Smoker					0.008					0.171
Never	430	64.4	238	35.6		216	71.8	85	28.2
Former	261	60.0	174	40.0		121	74.2	42	25.8
Current	71	50.7	69	49.3		27	60.0	18	40.0
Health rating, mean (SD)	7.6 (1.3)		7.3 (1.4)		0.002	7.7 (1.2)		7.6 (1.3)		0.336
Prior CRCS (at baseline)					<0.001					0.003
No	282	49.4	289	50.6		126	64.0	71	36.0
Yes	483	71.5	193	28.6		239	76.1	75	23.9
Physician recommendation					0.007					0.680
No/don't know	183	55.5	147	44.6		96	70.6	40	29.4
Yes	538	64.0	303	36.0		250	72.5	95	27.5
Test preference					0.003					0.409
Colonoscopy/sigmoidoscopy/FOBT	738	61.8	456	38.2		354	72.0	138	28.1
No preference	11	35.5	20	64.5		4	57.1	3	42.9
Comorbidity score					0.117					0.540
1	244	58.5	173	41.5		122	69.7	53	30.3
2	376	64.4	208	35.6		182	73.7	65	26.3
3	145	58.6	101	41.1		61	68.5	28	31.5
Continuity of care index					0.845					0.220
<0.67	646	61.2	409	38.8		307	70.4	129	29.6
≥0.67	119	62.0	73	38.0		58	77.3	17	22.7
Psychosocial
Self-efficacy, mean (SD)	4.37 (0.74)		4.17 (0.89)		<0.001	4.34 (0.74)		4.20 (0.83)		0.051
CRCS pros, mean (SD)	4.54(0.51)		4.44 (0.65)		0.002	4.49 (0.56)		4.46 (0.51)		0.513
CRCS cons, mean (SD)	1.70 (0.76)		1.84 (0.76)		0.002	1.76 (0.79)		1.81 (0.79)		0.459
Social influence, mean (SD)	3.67 (0.96)		3.53 (1.07)		0.019	3.56 (0.98)		3.64 (0.99)		0.416
Cancer worry, mean (SD)	2.25 ( 0.74)		2.28 (0.77)		0.521	2.21 (0.68)		2.23 (0.77)		0.732
Current plans to be screened					0.006					0.967
Not thinking about it	54	47.4	60	52.6		31	73.8	11	26.2
Thinking...not in the next year	78	57.8	57	42.2		44	69.8	19	30.2
Thinking...within the next year	256	61.2	162	38.8		125	71.0	51	29.0
Want to get screened in the next year	345	64.7	188	35.3		148	72.2	57	27.8
Importance					0.001					0.639
Very important/important	639	63.5	367	36.5		295	71.8	116	28.2
Not as important/not at all important	124	52.1	114	47.9		68	69.4	30	30.6
Intervention
Intervention group					<0.001					<0.001
Usual care	131	40.9	189	59.1		16	24.6	49	75.4
Automated	216	62.1	132	37.9		109	75.2	36	24.8
Assisted	198	69.7	86	30.3		117	78.5	32	21.5
Navigated	220	74.6	75	25.4		123	80.9	29	19.1

Participants with missing data were excluded from the analysis. Missing values ranged from 0 (age, sex, insurance, prior CRCS, comorbidity, continuity of care, intervention) to 76 (physician recommendation).