Demographic characteristics for interview participants according to hydroxyurea use
| . | Current users (n = 52 [57.8%]) . | Never users (n = 12 [13.3%]) . | Former users (n = 26 [28.9%]) . | All (N = 90 [100%]) . | ||||
|---|---|---|---|---|---|---|---|---|
| No. . | % . | No. . | % . | No. . | % . | No. . | % . | |
| Age group, y | ||||||||
| 15-24.9 | 19 | 3.8 | 4 | 16.6 | 3 | 3.8 | 26 | 28.9 |
| 25-34.9 | 17 | 32.7 | 4 | 33.3 | 12 | 46.1 | 33 | 36.7 |
| 35-49.9 | 16 | 30.7 | 4 | 33.3 | 11 | 42.3 | 31 | 34.4 |
| Sex | ||||||||
| Female | 26 | 50.0 | 8 | 66.6 | 17 | 65.4 | 51 | 56.7 |
| Male | 26 | 50.0 | 4 | 33.3 | 9 | 34.6 | 39 | 43.3 |
| Enrollment site | ||||||||
| Chicago | 6 | 11.5 | 1 | 8.3 | 3 | 11.5 | 10 | 11.1 |
| Duke University | 7 | 13.5 | — | — | 3 | 11.5 | 10 | 11.1 |
| Medical University of South Carolina | 9 | 17.3 | 3 | 25.0 | 3 | 11.5 | 15 | 16.7 |
| St. Jude Children’s Research Hospital | 13 | 25.0 | 5 | 41.7 | 2 | 7.7 | 20 | 22.2 |
| University of California San Francisco | 17 | 32.7 | 3 | 25.0 | 15 | 57.7 | 35 | 38.9 |
| Mean age (SD), y | 29.61 (8.2) | 28.96 (11.2) | 33.07 (8.25) | 30.5 (8.7) | ||||
| . | Current users (n = 52 [57.8%]) . | Never users (n = 12 [13.3%]) . | Former users (n = 26 [28.9%]) . | All (N = 90 [100%]) . | ||||
|---|---|---|---|---|---|---|---|---|
| No. . | % . | No. . | % . | No. . | % . | No. . | % . | |
| Age group, y | ||||||||
| 15-24.9 | 19 | 3.8 | 4 | 16.6 | 3 | 3.8 | 26 | 28.9 |
| 25-34.9 | 17 | 32.7 | 4 | 33.3 | 12 | 46.1 | 33 | 36.7 |
| 35-49.9 | 16 | 30.7 | 4 | 33.3 | 11 | 42.3 | 31 | 34.4 |
| Sex | ||||||||
| Female | 26 | 50.0 | 8 | 66.6 | 17 | 65.4 | 51 | 56.7 |
| Male | 26 | 50.0 | 4 | 33.3 | 9 | 34.6 | 39 | 43.3 |
| Enrollment site | ||||||||
| Chicago | 6 | 11.5 | 1 | 8.3 | 3 | 11.5 | 10 | 11.1 |
| Duke University | 7 | 13.5 | — | — | 3 | 11.5 | 10 | 11.1 |
| Medical University of South Carolina | 9 | 17.3 | 3 | 25.0 | 3 | 11.5 | 15 | 16.7 |
| St. Jude Children’s Research Hospital | 13 | 25.0 | 5 | 41.7 | 2 | 7.7 | 20 | 22.2 |
| University of California San Francisco | 17 | 32.7 | 3 | 25.0 | 15 | 57.7 | 35 | 38.9 |
| Mean age (SD), y | 29.61 (8.2) | 28.96 (11.2) | 33.07 (8.25) | 30.5 (8.7) | ||||
SD, standard deviation.