Table 1.
Demographic and clinical characteristics at baseline.*
| Characteristic | Overall (N = 82) | FA-US (N = 40) | US-FA (N = 42) | Difference |
|---|---|---|---|---|
| Age, y | 27.8 (6.4) | 28.0 (7.0) | 27.6 (5.8) | t(80)= 0.29, 0.77 |
| Female sex, no. (%) | 44 (53.7) | 24 (60.0) | 20 (47.6) | X2(1, 82)= 1.26, 0.26 |
| Race group, no. (%)† | X2(4, 81)= 3.96, 0.41 | |||
| Asian | 11 (13.6) | 4 (10.3) | 7 (16.7) | |
| Black | 28 (34.6) | 14 (35.9) | 14 (33.3) | |
| White | 37 (45.7) | 20 (51.3) | 17 (40.5) | |
| Multiracial | 3 (3.7) | 0 (0.0) | 3 (7.1) | |
| Others | 2 (2.5) | 1 (2.6) | 1 (2.4) | |
| Ethnicity, no (%)† | X2(1, 82)= 1.01, 0.38 | |||
| Non-Hispanic | 69 (84.1) | 32 (80.0) | 37 (88.1) | |
| Hispanic | 13 (15.9) | 8 (20.0) | 5 (11.9) | |
| Marital status, no. (%) | X2(4, 82)= 1.72, 0.79 | |||
| Single | 68 (82.9) | 32 (80.0) | 36 (85.7) | |
| Married | 5 (6.1) | 2 (5.0) | 3 (7.1) | |
| Divorced | 2 (2.4) | 1 (2.5) | 1 (2.4) | |
| Separated | 3 (3.7) | 2 (5.0) | 1 (2.4) | |
| Living w/partner | 4 (4.9) | 3 (7.4) | 1 (2.4) | |
| Education, no. (%) | X2(6, 81)= 3.33, 0.77 | |||
| Doctoral degree | 6 (7.4) | 2 (5.0) | 4 (9.8) | |
| Master's degree | 10 (12.3) | 6 (15.0) | 4 (9.8) | |
| College graduate | 39 (48.1) | 19 (47.5) | 20 (48.8) | |
| Some college | 19 (23.5) | 9 (22.5) | 10 (24.4) | |
| Some college (current student) | 1 (1.2) | 1 (2.5) | 0 (0.0) | |
| Tech. School grad | 1 (1.2) | 1 (2.5) | 0 (0.0) | |
| High school graduate | 5 (6.2) | 2 (5.0) | 3 (7.3) | |
| Employment, no.(%) | X2(6, 81)= 3.70, 0.72 | |||
| Student (full time) | 6 (7.4) | 3 (7.5) | 3 (7.3) | |
| Student (full or part time) | 25 (30.9) | 11 (27.5) | 14 (34.1) | |
| Student (part time) | 1 (1.2) | 0 (0.0) | 1 (2.4) | |
| Unemployed | 10 (12.3) | 6 (15.0) | 4 (9.8) | |
| Working for pay (full time) | 19 (23.5) | 11 (27.5) | 8 (19.5) | |
| Working for pay (part time) | 19 (23.5) | 8 (20.0) | 11 (26.8) | |
| Homemaker | 1 (1.2) | 1 (2.5) | 0 (0.0) | |
| Body mass index‡ | 25.7 (3.8) | 25.5 (3.9) | 25.9 (3.6) | t(80)= −0.52, 0.61 |
| Pittsburgh Sleep Quality Index§ | 1.9 (1.35) | 2.0 (1.4) | 1.7 (1.3) | t(80)= 0.96, 0.35 |
Values are means +/−(SD), unless otherwise specified with 95% confidence intervals.
Race and ethnicity were reported by the participants.
The body mass index is the weight in kilograms divided by the square of the height in meters.
Pittsburgh Sleep Quality Index measures severity of sleep disturbance; a score of <5 indicates no clinically significant sleep disturbance.