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. Author manuscript; available in PMC: 2016 May 16.
Published in final edited form as: J Am Board Fam Med. 2016 Mar-Apr;29(2):191–200. doi: 10.3122/jabfm.2016.02.150290

Table 1.

Participant Characteristics By Assignment to Usual Care or Active Interventions and Exposure to a Patient-Centered Medical Home in Year 1 of the Systems of Support to Increase Colorectal Cancer Screening Trial

Characteristics of Exposure Group SOS Randomization Group By Duration of Exposure to a Medical Home (Months)
SOS Usual Care
SOS Intervention
≤4 >4 and <8 ≥8 ≤4 >4 and <8 ≥8
Participants 351 (30.1) 316 (27.1) 499 (42.8) 1048 (30.0) 935 (26.7) 1515 (43.3)
Age at randomization (years)
 50–64 299 (85.2) 265 (83.9) 428 (85.8)   895 (85.4) 784 (83.9) 1303 (86.0)
 65–73   52 (14.8)   51 (16.1)   71 (14.2)   153 (14.6) 151 (16.2)   212 (14.0)
Female sex 196 (55.8) 168 (53.2) 289 (57.9)   570 (54.4) 510 (54.6)   811 (53.5)
Race/ethnicity
 Black 17 (4.9) 12 (3.8) 15 (3.1)   57 (5.5) 51 (5.5)   76 (5.0)
 Asian 28 (8.0) 14 (4.5) 22 (4.5)   56 (5.4) 47 (5.1)   70 (4.6)
 Hispanic   8 (2.3) 15 (4.9) 20 (4.1)   25 (2.4) 28 (3.0)   58 (3.8)
 Non-Hispanic white 282 (80.8) 261 (83.1) 407 (82.7)   845 (81.0) 738 (79.5) 1203 (79.6)
 Other 14 (4.0) 12 (3.8) 28 (5.7)   60 (5.8) 64 (6.9) 104 (6.9)
General health
 Excellent/very good 221 (63.1) 184 (58.2) 317 (63.7)   676 (64.7) 565 (60.4)   972 (64.2)
 Good 105 (30.0) 100 (31.7) 133 (26.7)   303 (29.0) 298 (31.9)   452 (29.9)
 Fair/poor 24 (6.9)   32 (10.1) 48 (9.6)   66 (6.3) 72 (7.7)   90 (5.9)
Married or living with a partner 253 (72.3) 224 (71.1) 360 (72.3)   772 (73.9) 704 (75.4) 1126 (74.3)
Highest education
 High school graduate/GED or less   51 (14.5)   62 (19.7)   78 (15.7)   121 (11.6) 155 (16.6)   233 (15.4)
 Some college 112 (31.9) 107 (34.0) 149 (29.9)   315 (30.1) 322 (34.5)   462 (30.5)
 Bachelor’s degree or higher 188 (53.6) 146 (46.4) 271 (54.4)   611 (58.4) 457 (48.9)   820 (54.1)
Smoking status
 Current   36 (10.4)   56 (18.2)   62 (12.7)   117 (11.4)   99 (10.8)   175 (11.8)
 Former   92 (26.5)   80 (26.0) 137 (28.1)   299 (29.1) 262 (28.5)   426 (28.8)
 Never 219 (63.1) 172 (55.8) 288 (59.1)   611 (59.5) 557 (60.7)   880 (59.4)
Never tested for CRC (before randomization) 146 (41.6) 153 (48.4) 240 (48.1)   438 (41.8) 433 (46.3)   750 (49.5)
First-degree relative with CRC 18 (5.2) 17 (5.5) 20 (4.1)   57 (5.5) 45 (4.9)   58 (3.9)

Data collection occurred between 2008 and 2009. Data are n (%).

CRC, colorectal cancer; SOS, Systems of Support to Increase Colorectal Cancer Screening Trial.