Skip to main content
. Author manuscript; available in PMC: 2020 May 21.
Published in final edited form as: Healthc (Amst). 2016 May 11;4(4):340–345. doi: 10.1016/j.hjdsi.2016.04.005

TABLE 1.

Sample Characteristics for Colonoscopy Screening

Characteristic Intervention Practice Control Practice #1 Control Practice #2

Pre Year Post Year Pre Year Post Year Pre Year Post Year
Patients, n 1257 967 1442 1311 1260 1323
Clinic visits, n 2539 1716 3016 2661 2300 2314
Age, mean years (SD) 58.8 (6.9) 58.8 (7.0) 59.2 (7.0) 59.9 (6.9) 60.0 (7.0) 60.2 (7.0)
Female gender, (%) 63.1% 63.4% 63.3% 62.5% 55.2% 53.1%
Race/ethnicity, %
 Non-hispanic white 21.6% 24.3% 48.8% 48.3% 49.3% 48.8%
 Non-hispanic black 71.8% 69.3% 42.2% 42.1% 40.6% 41.3%
 Hispanic 1.0% 1.2% 1.2% 1.3% 1.1% 1.6%
 Other 5.6% 5.2% 7.8% 8.3% 9.0% 8.2%
Insurance type, %
 Private 50.1% 47.2% 53.7% 58.0% 48.9% 45.5%
 Medicare 5.6% 28.6% 5.4% 26..9% 8.9% 33.0%
 Medicaid 13.4% 21.5% 8.6% 12.9% 9.0% 19.0%
 Other/self-insured 30.8% 3.1% 32.3% 2.1% 33.2% 2.5%
Charlson Score, median (IQR) 0 (0,1) 0 (0,1) 0 (0,1) 0 (0,1) 0 (0,1) 0 (0,1)
Clinic visit type, %
 New patient 16.6% 21.1% 16.1% 22.3% 42.8% 54.3%
 Return patient 62.8% 58.1% 59.2% 49.8% 54.5% 39.3%
 Reassign patient provider 8.0% 6.2% 3.5% 4.7% 1.4% 3.5%
 Other visit type 12.6% 14.6% 21.2% 23.1% 1.3% 4.9%
Clinic visit PCP status, %
 Yes with PCP 66.6% 74.9% 69.3% 73.8% 41.4% 41.4%
 No 27.6% 24.4% 26.6% 25.7% 33.2% 57.1%
 PCP not assigned 5.8% 0.7% 4.2% 0.5% 25.4% 1.5%
*

Data on Medicare or Medicaid insurance were missing for some patients during the pre-intervention year because the method by which the health system captured this data changed. These patients were coded as having other insurance