Table 1.
Sample characteristics at baseline: The CHOICES Study.
| Total (n=441) | Intervention (224) | Control (n=217) | P-value1 | |
|---|---|---|---|---|
| Gender, Female (%) | 67.6 | 67.0 | 68.2 | 0.78 |
| Race/ethnicity | ||||
| White (%) | 72.6 | 76.3 | 68.7 | 0.07 |
| Hispanic or Latino origin (%) | 7.5 | 7.6 | 7.4 | 0.93 |
| Current relationship status | ||||
| Single or casually dating (%) | 54.6 | 53.8 | 53.3 | 0.75 |
| Age at randomization, years | 22.8 | 22.9 | 22.8 | 0.84 |
| Income | ||||
| Less than $12,000 (%) | 66.2 | 67.9 | 64.5 | 0.46 |
| Dietary factors | ||||
| Fast food (times/week) | 1.7 | 1.7 | 1.8 | 0.45 |
| Sugary beverages (times/day) | 0.9 | 0.8 | 1.0 | 0.13 |
| Breakfast 5-7 days/week (%) | 51.5 | 51.8 | 51.2 | 0.89 |
| Weekly meals prepared at home (total) | 13.5 | 13.5 | 13.4 | 0.86 |
| Activity | ||||
| Energy expenditure: Leisure time physical activity (kcals) | 2076.2 | 2169.3 | 1979.2 | 0.51 |
| Leisure time physical activity (weekly minutes) | 270.8 | 295.5 | 245.5 | 0.20 |
| Television (hours/day) | 1.5 | 1.6 | 1.5 | 0.58 |
| Leisure-time computer use (hours/week) | 1.2 | 1.2 | 1.2 | 0.63 |
| Sleep | ||||
| Total daily sleep (hours) | 8.4 | 8.4 | 8.3 | 0.36 |
| Days/month not getting enough rest | 9.1 | 9.4 | 8.8 | 0.37 |
| Difficulty staying awake >2 days/week (%) | 7.7 | 6.2 | 9.2 | 0.24 |
| ≥30 minutes to fall asleep 3-7 nights/week (%) | 28.8 | 32.1 | 25.4 | 0.11 |