Table 1.
Demographics of the MSH sample (N=299)
| Group | Hydroxyurea (n=152) |
Placebo (n=147) |
|---|---|---|
| % | % | |
| Sex: | ||
| Male | 49.3 | 48.3 |
| Female | 50.7 | 51.7 |
| Χ2(1)=0.033, p=.86 | ||
| Education: | ||
| Less than high school | 17.8 | 18.4 |
| High school/GED | 33.6 | 38.1 |
| Some college | 44.1 | 38.8 |
| B.A./postgraduate degree | 4.6 | 4.8 |
| Χ2(3)=0.96, p=.81 | ||
| Personal income: | ||
| Less than 10,000 | 65.3 | 73.3 |
| 10,000–19,999 | 20.4 | 18.5 |
| 20,000–29,999 | 7.5 | 3.4 |
| 30,000–39,999 | 4.8 | 3.4 |
| 40,000–49,999 | 2.0 | 1.4 |
| Χ2(4)=3.53, p=.47 | ||
| Employment | ||
| Full-time | 19.5 | 17.4 |
| Part-time | 13.4 | 18.1 |
| Unemployed/disabled | 62.4 | 58.3 |
| Student (full or part-time) | 4.7 | 6.3 |
| Χ2(3)=1.70, p=.64 | ||
| Age at qualifying visit | ||
| Mean (standard deviation) | 30.6 (7.54) | 29.8 (7.47) |
| Range | 18–59 | 18–54 |
| t(297)=0.93, p=.35 | ||