Table 1.
Participant characteristics by randomization group.
| Usual care | Patient navigation | Standardized difference | |
|---|---|---|---|
| (n = 215) n (%) | (n = 200) n (%) | ||
| Age group | 0.269 | ||
| 50–54 | 41 (19.1%) | 32 (16.0%) | |
| 55–59 | 27 (12.6%) | 38 (19.0%) | |
| 60–64 | 54 (25.1%) | 63 (31.5%) | |
| 65–69 | 48 (22.3%) | 35 (17.5%) | |
| 70–75 | 45 (20.9%) | 32 (16.0%) | |
| Female | 117 (54.4%) | 107 (53.5%) | 0.018 |
| White | 182 (84.7%) | 177 (88.5%) | 0.113 |
| English speaking | 198 (92.1%) | 182 (91.0%) | 0.039 |
| Geographic region | 0.076 | ||
| Portland, OR | 153 (71.2%) | 144 (72.0%) | |
| Salem, OR | 14 (6.5%) | 16 (8.0%) | |
| Vancouver, WA | 48 (22.3%) | 40 (20.0%) | |
| Insurance type | 0.251 | ||
| Commercial | 103 (47.9%) | 109 (54.5%) | |
| Medicaid | 15 (7.0%) | 23 (11.5%) | |
| Medicare | 97 (45.1%) | 68 (34.0%) | |
| Current tobacco use | 49 (22.8%) | 47 (23.5%) | −0.017 |
| Body mass index | 0.177 | ||
| <25 | 47 (22.6%) | 41 (20.7%) | |
| ≥25–<30 | 58 (27.9%) | 47 (23.7%) | |
| ≥30–<35 | 36 (17.3%) | 43 (21.7%) | |
| ≥35–<40 | 28 (13.5%) | 34 (17.2%) | |
| ≥40 | 39 (18.8%) | 33 (16.7%) | |
| Prior diabetes diagnosis | 81 (37.7%) | 69 (34.5%) | 0.066 |
| Prior colorectal screening | 0.179 | ||
| None | 77 (35.8%) | 67 (33.5%) | |
| Prior colonoscopy | 43 (20.0%) | 29 (14.5%) | |
| Prior FIT only | 95 (44.2%) | 104 (52.0%) | |
| Prior flu vaccination | 123 (57.2%) | 96 (48.0%) | 0.185 |
| Baseline predicted probability of completing a colonoscopy in 6 months | — | ||
| <50% | 27 (12.6%) | 23 (11.5%) | |
| 50%–≤60% | 66 (30.7%) | 56 (28.0%) | |
| 60%–≤65% | 59 (27.4%) | 55 (27.5%) | |
| 65%–≤70% | 63 (29.3%) | 66 (33.0%) | |