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. 2017 Jan 10;2017:1619747. doi: 10.1155/2017/1619747

Table 1.

Sample characteristics of patients, providers, and clinics (overall and by provider perceptions of barriers).

Overall Multiple perceived barriers to CRC screening No perceived barriers to CRC screening p value
Patient characteristics N = 39,430 N = 26,420 N = 13,010
Age, % <0.001
 50–54 27 27 27
 55–59 27 27 26
 60–64 21 21 21
 65–69 14 14 14
 70–75 11 11 12
Gender, % <0.001
 Female 56 61 48
Race, % 0.046
 White 93 93 92
Marital status, % 0.004
 Married 71 70 72
Language, % <0.001
 English (as primary language) 91 92 89
 Primarily non-English 1 1 1
 Unknown 8 7 10
Insurance, % <0.001
 Commercial 66 67 63
 Medicare 24 24 25
 Medicaid or uninsured 2 2 2
 Missing 9 8 10
Comorbidities, %
 Congestive heart failure 1 1 1 0.835
 Diabetes mellitus 9 9 10 0.437
 Hypertension 36 36 35 0.005
ACG resource utilization score (mean, SD) 0.58 (0.42) 0.58 (0.42) 0.58 (0.43) 0.537

Primary care provider characteristics N = 166 N = 75 N = 91
Age, % 0.470
 30–39 24 20 27
 40–49 26 29 23
 50–59 25 28 22
 60–69 9 11 8
 Missing 16 12 20
Gender, % 0.043
 Female 52 61 45
Specialty, % 0.133
 Internal medicine 52 53 52
 Family medicine 48 47 48
Years in practice, % 0.358
 <10 yrs 18 15 21
 10–20 yrs 31 33 30
 >20 yrs 35 40 31
 Missing 16 12 18
Average CRC screening rate (%) in the year prior to survey administration (mean, SD) 62 (17.5) 66 (15.7) 59 (18.4) 0.013
Number of patients eligible for CRC screening in a provider's panel (mean, SD) 238 (232) 250 (182) 91 (128) <0.001

Primary care clinic characteristics N = 24 N = 14 N = 10
Clinic management, % 0.77
 Physician-owned 67 64 70
 Hospital-owned 33 36 30
Distance to nearest colonoscopy center in miles, (mean, SD) 7.6 (5.6) 7.1 (3.8) 8.5 (7.7) 0.564
Number of providers within the clinic, (mean, SD) 6.9 (4.9) 8.4 (5.5) 4.8 (3.0) 0.074

SD = standard deviation, ACG = ambulatory care group, and CRC = colorectal cancer.