Table 1.
Demographic Characteristics at Baseline: Treated Population
| Zolpidem Extended-Release 12.5 mg | Placebo | Overall | ||
|---|---|---|---|---|
| (n = 669) | (n = 349) | (n = 1018) | ||
| Gender, n (%) | Male | 256 (38.3) | 139 (39.8) | 395 (38.8) |
| Female | 413 (61.7) | 210 (60.2) | 623 (61.2) | |
| Age, y, mean (SD) | Total | 46.0 (10.8) | 45.0 (11.5) | 45.7 (11.0) |
| Male | 45.9 (10.6) | 45.4 (11.4) | 45.7 (10.9) | |
| Female | 46.1 (10.9) | 44.7 (11.6) | 45.6 (11.2) | |
| Body mass index, kg/m2, mean (SD) | Total | 28.2 (6.1) | 28.0 (5.6) | 28.1 (6.0) |
| Male | 28.5 (5.2) | 28.0 (4.8) | 28.4 (5.1) | |
| Female | 28.0 (6.6) | 28.0 (6.1) | 28.0 (6.5) | |
| Race, n (%), mean (SD) | Asian/Oriental | 10 (1.5) | 4 (1.1) | 14 (1.4) |
| Black | 120 (17.9) | 63 (18.1) | 183 (18.0) | |
| White | 432 (64.6) | 230 (65.9) | 662 (65.0) | |
| Other | 107 (16.0) | 52 (14.9) | 159 (15.6) |
SD = standard deviation