Table 1.
Patient Characteristics at Baseline. Mean (SD), Except Where Noted as n (%)
| Randomized group | |||||
|---|---|---|---|---|---|
| Variable | Overall, N = 2658 | Usual care, n = 886 | Phone reminder, n = 886 | Text reminder, n = 886 | P1 |
| Age (years) | 62.1 (8.6) | 61.8 (8.6) | 62.1 (8.6) | 62.3 (8.5) | 0.6 |
| Female, n (%) | 319 (12.0) | 105 (11.9) | 112 (12.6) | 102 (11.5) | 0.8 |
| Race/ethnicity, n (%) | 0.06 | ||||
| American Indian/Alaska Native | 39 (1.5) | 13 (1.5) | 14 (1.6) | 12 (1.4) | |
| Asian/Pac Islander/Native Hawaiian | 153 (5.8) | 56 (6.3) | 51 (5.8) | 46 (5.2) | |
| Hispanic | 118 (4.4) | 29 (3.3) | 39 (4.4) | 50 (5.6) | |
| Multi-race/other/missing | 172 (6.5) | 77 (8.7) | 53 (6.0) | 42 (4.7) | |
| Non-Hispanic Black | 426 (16.0) | 158 (17.8) | 132 (14.9) | 136 (15.3) | |
| Non-Hispanic White | 1750 (65.8) | 553 (62.4) | 597 (67.4) | 600 (67.7) | |
| Married, n (%) | 1206 (45.4) | 384 (43.3) | 416 (47.0) | 406 (45.8) | 0.3 |
| Gagne score | 0.4 (1.9) | 0.5 (1.3) | 0.5 (1.3) | 0.4 (1.2) | 0.6 |
| Socioeconomic status index < 4th decile, n (%)2 | 923 (40.9) | 320 (42.6) | 314 (41.2) | 289 (38.7) | 0.8 |
| Rural status, n (%)3 | 579 (22.5) | 184 (21.4) | 193 (22.4) | 202 (23.7) | 0.6 |
| Drive distance to primary care (miles) | 17.0 (13.7) | 16.3 (13.4) | 17.3 (14.2) | 17.5 (13.4) | 0.04 |
| PC visit in prior year (%)3 | 1908 (72.5) | 642 (73.3) | 636 (72.2) | 630 (71.9) | 0.8 |
| Prior FIT screening (%)4 | 1103 (41.5) | 373 (42.1) | 370 (41.8) | 360 (40.6) | 0.8 |
PC primary care, CRC colorectal cancer
1Kruskal-Wallis rank sum test; Pearson’s chi-squared test
2Included in adjusted models as by decile, shown as aggregate for brevity. Veterans in the 4th or lower decile by socioeconomic status index have been shown to have greater mortality
3Missing data (n): rural/urban status (control = 26, arm 2 = 26, arm 3 = 33); PC visits in prior year (control = 10, arm 2 = 5, arm 3 = 10)
4Lab evidence of prior screening with FIT in last 5 years