Table 2.

Mean Statistics of Average-Risk Veterans Age 50 to 64 Years Eligible for CRC Screening

Variable	Before OncWatch				After OncWatch
	2006		2007		2009		2010
	Intervention	Control	Intervention	Control	Intervention	Control	Intervention	Control
Sample size	63,683	992,392	65,876	998,572	71,349	1,032,270	74,795	1,053,145
Veteran level
CRC screening adherence	0.376	0.310	0.316	0.303	0.344	0.323	0.332	0.309
Male sex	0.928	0.927	0.928	0.925	0.919	0.916	0.921	0.920
Age, years
50-54	0.325	0.284	0.315	0.274	0.317	0.269	0.316	0.264
55-59	0.414	0.426	0.393	0.399	0.299	0.301	0.265	0.262
60-64	0.261	0.290	0.293	0.327	0.384	0.430	0.419	0.474
Use of outpatient clinics	0.564	0.561	0.589	0.562	0.698	0.594	0.628	0.608
No. of outpatient clinic visits per veteran	11.446	11.327	11.789	11.640	12.262	12.317	12.535	12.723
VA hospital level
No. of outpatient clinics per hospital per 1,000 veterans	0.092	0.130	0.089	0.130	0.100	0.133	0.103	0.137
No. of outpatient clinic visits per hospital (in 100,000)	4.440	5.996	4.830	6.046	5.807	6.646	6.439	7.073
No. of unique veterans per hospital (in 10,000)	4.460	6.004	4.649	5.956	5.190	6.183	5.527	6.346
No. of VA hospitals	8	121	8	121	8	121	8	121

Abbreviations: CRC, colorectal cancer; OncWatch, CRC Oncology Watch; VA, Veterans Affairs.