Table 1.
Demographics at baseline.
|
Total (n = 100) |
Morphine (n = 54) |
Placebo (n = 46) |
p-value | |
|---|---|---|---|---|
| Age (Mean ± SD) | 28.06 ± 6.82 | 28.50 ± 6.93 | 27.54 ± 6.73 | 0.48 |
| Sex, n (%) | 0.35 | |||
| Female | 58 (58.0%) | 29 (53.7%) | 29 (63.0%) | |
| Race, n (%) | 0.42 | |||
| Caucasian | 45 (45.0%) | 24 (44.4%) | 21 (45.7%) | |
| African American | 37 (37.0%) | 20 (37.0%) | 17 (37.0%) | |
| Asian | 11 (11.0%) | 4 (7.4%) | 7 (15.2%) | |
| More than one race | 3 (3.0%) | 3 (5.6%) | 0 (0%) | |
| Other/decline to state | 4 (4.0%) | 3 (5.6%) | 1 (2.2%) | |
| Ethnicity, n (%) | 0.13 | |||
| Hispanic | 17 (17.0%) | 12 (22.2%) | 5 (10.9%) | |
| Education, n (%) | 0.27 | |||
| High school/GED | 6 (6.0%) | 4 (7.5%) | 2 (8.3%) | |
| Some college/current student | 27 (27.0%) | 9 (17.0%) | 18 (39.2%) | |
| College graduate | 45 (45.0%) | 27 (50.9%) | 18 (39.1%) | |
| Technical school graduate | 1 (1.0%) | 1 (1.9%) | 0 (0.0%) | |
| Advanced degree | 20 (20.0%) | 12 (22.7%) | 8 (17.4%) | |
| Employment status, n (%) | 0.07 | |||
| Student | 35 (35.0%) | 22 (41.5%) | 13 (28.2%) | |
| Employed | 48 (48.0%) | 21 (39.6%) | 27 (58.7%) | |
| Unemployed | 15 (15.0%) | 10 (18.9%) | 5 (10.9%) | |
| Homemaker | 1 (1.0%) | 0 (0%) | 1 (2.2%) |
Values represent mean (percent of total) for demographics of participants. T-test (for continuous variables) and chi-square (categorical variables) test was used to examine differences in morphine vs. placebo conditions.