Table 1.
Demographics of the study population
| Younger age group | Older age group | |||||
|---|---|---|---|---|---|---|
| 7.5 mcg | 30 mcg | All | 7.5 mcg | 30 mcg | All | |
| Number | 31 | 30 | 61 | 28 | 32 | 60 |
| Age in years | ||||||
| Mean (SD) | 27.0 (4.8) | 25.7 (4.7) | 26.4 (4.8) | 51.7 (5.0) | 50.5 (4.1) | 51.0 (4.5) |
| Median (range) | 26.3 (20.4, 38.1) | 24.2 (20.6, 37.7) | 25.2 (20.4, 38.1) | 50.9 (44.1, 59.8) | 50.4 (44.2, 56.4) | 50.6 (44.1, 59.8) |
| Race/Ethnicity (No.) | ||||||
| African- American | 0 | 0 | 0 | 3 | 5 | 8 |
| Asian | 2 | 0 | 2 | 0 | 3 | 3 |
| Mixed/Other/Unknown | 0 | 1 | 1 | 2 | 2 | 4 |
| White | 29 | 29 | 58 | 23 | 22 | 45 |
| Ethnicity (No.) | ||||||
| Hispanic | 1 | 6 | 7 | 3 | 2 | 5 |
| Non-Hispanic | 30 | 24 | 54 | 25 | 30 | 55 |
| Sex (No.) | ||||||
| Female | 22 | 26 | 48 | 21 | 22 | 43 |
| Male | 9 | 4 | 13 | 7 | 10 | 17 |