Table. Participant Characteristics.
| Characteristic | No. (%) | |
|---|---|---|
| Contingency management group | Control group | |
| Total participants, No. | 75 | 83 |
| Age, mean (SD), y | 42.2 (11.1) | 41.9 (11.7) |
| Sex | ||
| Female | 31 (41.3) | 44 (53.0) |
| Male | 44 (58.7) | 39 (47.0) |
| American Indian or Alaska Native | 75 (100) | 83 (100) |
| American Indian or Alaska Native only | 65 (86.7) | 70 (84.3) |
| American Indian or Alaska Native plus other race/ethnicity | 10 (13.3) | 13 (15.7) |
| ≥High school education | 65 (86.7) | 68 (81.9) |
| Married or long-term domestic partnership | 33 (44.0) | 46 (55.4) |
| Full-time or part-time employment | 54 (72.0) | 48 (57.8) |
| Stable housing | 49 (65.3) | 46 (55.4) |
| Maternal alcohol use | 58 (77.3) | 61 (73.5) |
| Current smoking | 43 (57.3) | 53 (63.9) |
| Ethyl glucuronide–negative test result (<150 ng/mL) at baseline | 31 (41.3) | 41 (49.4) |
| Site | ||
| 1 | 10 (13.3) | 11 (13.3) |
| 2 | 32 (42.7) | 37 (44.6) |
| 3 | 33 (44.0) | 35 (42.2) |