Table 1.
Baseline Characteristics by Randomization Groupa
| Usual Care b N=1163 |
Intervention c N=3490 |
|
|---|---|---|
|
| ||
| n (%) | n (%) | |
|
| ||
| Age at baseline (years) | ||
| 50–64 | 989 (85.0) | 2977 (85.3) |
| 65–74 | 174 (15.0) | 513 (14.7) |
|
| ||
| Female | 652 (56.1) | 1887 (54.1) |
|
| ||
| Race/Ethnicity | ||
| Hispanic | 43 (3.7) | 110 (3.2) |
| Non-Hispanic | ||
| Black | 44 (3.8) | 184 (5.3) |
| Asian | 64 (5.6) | 173 (5.0) |
| White | 948 (82.3) | 2780 (80.0) |
| Other | 53 (4.6) | 227 (6.5) |
|
| ||
| General Health | ||
| Excellent/Very good | 720 (62.0) | 2208 (63.3) |
| Good | 337 (29.0) | 1050 (30.1) |
| Fair/Poor | 104 (9.0) | 228 (6.5) |
|
| ||
| Married or living with a partner | 835 (72.0) | 2595 (74.4) |
|
| ||
| Highest education | ||
| High school grad, GED, or less | 190 (16.4) | 508 (14.6) |
| Some college, 2-year degree, or vocational training | 368 (31.7) | 1097 (31.5) |
| Bachelor’s degree or higher | 603 (51.9) | 1883 (54.0) |
|
| ||
| Primary health insurance | ||
| Medicaid/Basic Health | 19 (1.6) | 31 (0.9) |
| Commercial | 907 (78.0) | 2816 (80.7) |
| Medicare | 146 (12.6) | 365 (10.5) |
| Private pay | 91 (7.8) | 278 (8.0) |
|
| ||
| Never been screened for CRC | 537 (46.2) | 1620 (46.4) |
|
| ||
| First degree relative with CRC | 55 (4.8) | 158 (4.6) |
|
| ||
| Follow-up duration (days), mean (sd) | 1552 (517) | 1546 (520) |
|
| ||
| Follow-up duration (years), mean (sd) | 4.25 (1.42) | 4.23 (1.42) |
|
| ||
| Censored during 5-year follow-up, n (%) | 339 (29.2) | 1052 (30.1) |
a
Missing data: Race/ethnicity (n=27); general health status (n=6); marital status (n=7); education (n=4); family history (n=72)
b
Usual care includes all participants randomized to the usual care arm in year 1 (and who received no active interventions over 5 years)
c
Intervention includes participants randomized to any of the 3 active interventions in year 1 and 2 (and includes both subgroups randomized in year 3 to stopped or continued interventions).